18 Decadent Chocolate Sheet Cake Recipes 9×13 Irresistible

Who doesn’t love sinking their fork into a rich, fudgy slice of chocolate cake? Whether you’re planning a party, craving a sweet treat, or just want to impress your family, these 18 decadent 9×13 sheet cake recipes are your ticket to dessert heaven. From classic favorites to creative twists, get ready to bake up something truly irresistible—your sweet tooth will thank you!

Classic Chocolate Sheet Cake with Fudge Frosting

Wondering what dessert to bring to your next potluck or family gathering? You can’t go wrong with this classic chocolate sheet cake topped with rich fudge frosting. It’s the perfect treat for feeding a crowd without spending hours in the kitchen.

Ingredients

• 2 cups all-purpose flour (spooned and leveled for accuracy)
• 2 cups granulated sugar
• 1/2 cup unsalted butter (plus extra for greasing)
• 1/2 cup vegetable oil (or any neutral oil)
• 1/4 cup unsweetened cocoa powder
• 1 cup water
• 1/2 cup buttermilk (shake well before measuring)
• 2 large eggs (at room temperature)
• 1 tsp baking soda
• 1 tsp vanilla extract
• 1/2 tsp salt
• 6 tbsp unsalted butter (for frosting)
• 1/4 cup whole milk (for frosting)
• 3 tbsp unsweetened cocoa powder (for frosting)
• 3 cups powdered sugar (sifted to avoid lumps)
• 1 tsp vanilla extract (for frosting)

Instructions

1. Preheat your oven to 350°F and grease a 9×13-inch baking pan with butter.
2. Whisk together the flour, sugar, baking soda, and salt in a large bowl until well combined.
3. Combine the butter, oil, cocoa powder, and water in a medium saucepan over medium heat.
4. Stir the mixture constantly until the butter melts completely and it just begins to simmer.
5. Immediately pour the hot chocolate mixture into the dry ingredients and stir until smooth.
6. Add the buttermilk, eggs, and vanilla extract to the batter and mix thoroughly.
7. Pour the batter into the prepared pan and spread it evenly with a spatula.
8. Bake for 25-30 minutes, or until a toothpick inserted in the center comes out clean.
9. Let the cake cool completely in the pan on a wire rack before frosting.
10. For the frosting, melt the butter, milk, and cocoa powder in a saucepan over medium heat, stirring until smooth.
11. Remove the saucepan from the heat and whisk in the powdered sugar and vanilla until no lumps remain.
12. Pour the warm frosting over the cooled cake and spread it quickly with an offset spatula before it sets.

This cake stays incredibly moist thanks to the oil, with a tender crumb that pairs perfectly with the glossy, fudgy frosting. Try serving it slightly warm with a scoop of vanilla ice cream for an extra-indulgent treat, or cut it into squares and top with fresh berries for a beautiful presentation.

German Chocolate Sheet Cake with Coconut Pecan Frosting

Picture this: you’re craving something rich and decadent, but you don’t want to spend hours in the kitchen. This German chocolate sheet cake with its signature coconut pecan frosting is your answer—it’s surprisingly simple to make and delivers that classic, irresistible flavor combination we all love.

Ingredients

• 2 cups all-purpose flour (spooned and leveled for accuracy)
• 2 cups granulated sugar
• 1 cup unsalted butter (plus extra for greasing)
• 1 cup water
• 1/4 cup cocoa powder (natural or Dutch-process both work)
• 1/2 cup buttermilk (or milk with 1½ tsp vinegar stirred in)
• 2 large eggs (at room temperature for better mixing)
• 1 tsp baking soda
• 1 tsp vanilla extract
• 1/2 tsp salt
• 1 cup evaporated milk
• 1 cup granulated sugar
• 3 large egg yolks
• 1/2 cup unsalted butter
• 1 tsp vanilla extract
• 1⅓ cups sweetened shredded coconut
• 1 cup chopped pecans

Instructions

1. Preheat your oven to 350°F and generously grease a 9×13-inch baking pan with butter.
2. Whisk together the flour, 2 cups sugar, baking soda, and salt in a large mixing bowl until well combined.
3. Combine 1 cup butter, water, and cocoa powder in a saucepan over medium heat, stirring constantly until the butter melts completely and the mixture is smooth.
4. Pour the hot chocolate mixture over the dry ingredients and stir with a wooden spoon until just combined.
5. Add the buttermilk, 2 eggs, and 1 teaspoon vanilla extract to the batter, mixing until smooth and no streaks remain.
6. Pour the batter into your prepared pan and spread it evenly with a spatula.
7. Bake for 25-30 minutes, or until a toothpick inserted in the center comes out clean with just a few moist crumbs.
8. While the cake bakes, make the frosting by whisking evaporated milk, 1 cup sugar, 3 egg yolks, and 1/2 cup butter in a medium saucepan.
9. Cook the frosting mixture over medium heat, stirring constantly with a wooden spoon, until it thickens noticeably and coats the back of the spoon, about 10-12 minutes.
10. Remove the frosting from heat and stir in 1 teaspoon vanilla extract, shredded coconut, and chopped pecans until well combined.
11. Let the frosting cool for 15-20 minutes, stirring occasionally, until it reaches a spreadable consistency.
12. Spread the warm frosting evenly over the still-warm cake as soon as it comes out of the oven.

Velvety chocolate cake meets that iconic sweet, nutty topping in every bite. The contrast between the moist crumb and the chewy coconut-pecan frosting is pure magic. Try serving it slightly warm with a scoop of vanilla ice cream for the ultimate indulgence.

Triple Chocolate Sheet Cake with Ganache Drizzle

Who doesn’t love an easy dessert that feeds a crowd? This triple chocolate sheet cake is your new go-to for parties, potlucks, or just satisfying a serious chocolate craving. You get rich chocolate flavor in every bite, topped with a glossy ganache drizzle that makes it look bakery-level fancy.

Ingredients

• 2 cups all-purpose flour (spooned and leveled for accuracy)
• 2 cups granulated sugar
• 3/4 cup unsweetened cocoa powder (use natural, not Dutch-process)
• 2 tsp baking soda
• 1 tsp salt
• 1 cup buttermilk (or 1 cup milk + 1 tbsp vinegar, let sit 5 minutes)
• 1/2 cup vegetable oil (or any neutral oil like canola)
• 2 large eggs, room temperature
• 1 tsp vanilla extract
• 1 cup boiling water
• 1 cup semi-sweet chocolate chips
• 1/2 cup heavy cream

Instructions

1. Preheat your oven to 350°F and grease a 9×13-inch baking pan.
2. Whisk together the flour, sugar, cocoa powder, baking soda, and salt in a large bowl until no lumps remain.
3. Add the buttermilk, vegetable oil, eggs, and vanilla extract to the dry ingredients.
4. Mix with an electric mixer on medium speed for 2 minutes until the batter is smooth and well combined.
5. Carefully pour in the boiling water and stir by hand until the batter becomes thin and uniform.
6. Pour the batter into the prepared pan and spread it evenly with a spatula.
7. Bake for 30-35 minutes, or until a toothpick inserted into the center comes out clean.
8. Let the cake cool completely in the pan on a wire rack for at least 1 hour.
9. Place the chocolate chips in a heatproof bowl while the cake cools.
10. Heat the heavy cream in a small saucepan over medium heat until it just begins to simmer (about 2-3 minutes).
11. Immediately pour the hot cream over the chocolate chips and let it sit undisturbed for 1 minute.
12. Stir the mixture slowly from the center outward until the chocolate is fully melted and the ganache is smooth and glossy.
13. Drizzle the warm ganache over the cooled cake using a spoon or piping bag.

Rich, fudgy, and impossibly moist, this cake stays tender for days thanks to the boiling water trick. The triple chocolate layers—cocoa in the batter, melted chips in the ganache, and that deep chocolate flavor throughout—create a dessert that’s pure indulgence. Try serving it slightly warm with a scoop of vanilla ice cream for the ultimate comfort food moment.

Chocolate Peanut Butter Sheet Cake with Reese’s Topping

You know those days when only chocolate and peanut butter will do? This sheet cake delivers that perfect combo in the easiest way possible. Your kitchen will smell amazing, and you’ll have a crowd-pleasing dessert ready in no time.

Ingredients

• 2 cups all-purpose flour (spooned and leveled for accuracy)
• 2 cups granulated sugar
• 1/2 cup unsalted butter (plus extra for greasing)
• 1/2 cup vegetable oil (or any neutral oil)
• 1 cup water
• 1/4 cup unsweetened cocoa powder
• 1/2 cup buttermilk (or milk with 1 tsp vinegar)
• 2 large eggs
• 1 tsp baking soda
• 1 tsp vanilla extract
• 1/2 cup creamy peanut butter
• 1 cup chopped Reese’s Peanut Butter Cups
• 1/2 cup semi-sweet chocolate chips

Instructions

1. Preheat your oven to 350°F and generously grease a 9×13 inch baking pan with butter.
2. Whisk together the flour and sugar in a large mixing bowl until well combined.
3. Combine butter, oil, water, and cocoa powder in a medium saucepan over medium heat.
4. Bring the mixture to a gentle boil, stirring constantly with a whisk to prevent scorching.
5. Immediately pour the hot chocolate mixture over the flour and sugar in the bowl.
6. Stir vigorously with a wooden spoon until the batter is smooth and no dry spots remain.
7. Add buttermilk, eggs, baking soda, and vanilla extract to the batter.
8. Mix thoroughly for about 2 minutes until the batter becomes glossy and well-emulsified.
9. Pour the batter into your prepared pan and spread it evenly into all corners.
10. Bake for 25-28 minutes until the center springs back when lightly touched.
11. While the cake bakes, warm the peanut butter in the microwave for 30 seconds until spreadable.
12. Remove the cake from the oven and immediately spread the warmed peanut butter over the hot surface.
13. Sprinkle chocolate chips evenly across the peanut butter layer.
14. Scatter the chopped Reese’s cups over the top, pressing them gently into the soft surface.
15. Let the cake cool completely in the pan on a wire rack for at least 2 hours.

Ultimate comfort dessert achieved! The cake stays incredibly moist while the peanut butter and Reese’s create that signature salty-sweet crunch. Try serving it slightly warm with a scoop of vanilla ice cream for the perfect temperature contrast.

Red Velvet Chocolate Sheet Cake with Cream Cheese Frosting

Heads up, this red velvet sheet cake is about to become your new go-to dessert for every occasion. You get that classic rich chocolate flavor with that signature vibrant red color, all topped with the creamiest cream cheese frosting you’ve ever tasted. It’s surprisingly simple to make but looks absolutely stunning when you serve it.

Ingredients

• 2 cups all-purpose flour (spoon and level for accuracy)
• 1 ½ cups granulated sugar
• 1 tsp baking soda
• 1 tsp salt
• 2 large eggs, room temperature
• 1 cup buttermilk (or 1 cup milk + 1 tbsp vinegar)
• ½ cup vegetable oil (or any neutral oil)
• 1 tsp vanilla extract
• 1 tbsp red food coloring
• 2 tbsp unsweetened cocoa powder
• 1 cup unsalted butter, softened
• 8 oz cream cheese, softened
• 4 cups powdered sugar
• 1 tsp vanilla extract

Instructions

1. Preheat your oven to 350°F and grease a 9×13 inch baking pan.
2. Whisk together flour, sugar, baking soda, and salt in a large bowl until well combined.
3. In a separate bowl, beat eggs, buttermilk, oil, and vanilla until smooth.
4. Add the wet ingredients to the dry ingredients and mix just until combined—don’t overmix.
5. Stir in red food coloring and cocoa powder until the batter is uniformly red.
6. Pour the batter into your prepared pan and spread it evenly.
7. Bake for 25-30 minutes, or until a toothpick inserted in the center comes out clean.
8. Let the cake cool completely in the pan on a wire rack—this takes about 1 hour.
9. While the cake cools, beat softened butter and cream cheese together until creamy and smooth.
10. Gradually add powdered sugar, 1 cup at a time, beating well after each addition.
11. Mix in vanilla extract until the frosting is fluffy and spreadable.
12. Spread the frosting evenly over the completely cooled cake.

Perfectly moist and tender with that subtle cocoa flavor shining through the vibrant red crumb. The tangy cream cheese frosting balances the sweetness beautifully—try cutting it into squares and topping each with fresh berries for an elegant presentation that’ll impress any guest.

Salted Caramel Chocolate Sheet Cake

Diving into this salted caramel chocolate sheet cake feels like wrapping yourself in the coziest dessert blanket. You get rich chocolate flavor, sweet caramel swirls, and just enough salt to keep things interesting. It’s the kind of treat that disappears fast at potlucks or makes any Tuesday feel special.

Ingredients

• 2 cups all-purpose flour (spooned and leveled for accuracy)
• 1 ¾ cups granulated sugar
• ¾ cup unsweetened cocoa powder (natural works best here)
• 2 tsp baking soda
• 1 tsp salt
• 1 cup buttermilk, at room temperature (or 1 cup milk + 1 tbsp vinegar stirred and rested 5 minutes)
• ½ cup vegetable oil (or any neutral oil like canola)
• 2 large eggs, at room temperature
• 1 cup hot coffee (boiling water works if you don’t have coffee)
• 1 tsp vanilla extract
• 1 cup salted caramel sauce (store-bought or homemade, thick style)
• ½ cup semi-sweet chocolate chips
• Flaky sea salt for sprinkling

Instructions

1. Preheat your oven to 350°F and grease a 9×13-inch baking pan.
2. Whisk the flour, sugar, cocoa powder, baking soda, and salt in a large bowl until no streaks remain.
3. Pour in the buttermilk, oil, eggs, and vanilla, then mix on medium speed until just combined.
4. Carefully stream in the hot coffee while mixing on low—the batter will be thin.
5. Tip: Scrape the bowl’s bottom with a spatula to incorporate any hidden dry pockets.
6. Pour the batter into the prepared pan and tap it gently on the counter to release air bubbles.
7. Dollop the salted caramel sauce evenly over the batter.
8. Use a knife to swirl the caramel into the batter, creating marbled patterns.
9. Sprinkle the chocolate chips and a pinch of flaky sea salt over the top.
10. Bake for 30–35 minutes, until a toothpick inserted into the center comes out with a few moist crumbs.
11. Tip: Rotate the pan halfway through baking for even browning.
12. Let the cake cool completely in the pan on a wire rack.
13. Tip: For clean slices, chill the cooled cake for 20 minutes before cutting.

Rich and fudgy, this cake stays incredibly moist thanks to the coffee and caramel swirls. Each bite balances deep chocolate with sweet, salty ribbons—serve it slightly warmed with a scoop of vanilla ice cream for the ultimate contrast. Leftovers (if you have any) taste even better the next day when the flavors have melded.

Mint Chocolate Chip Sheet Cake with Buttercream Frosting

Finally, imagine that perfect mint chocolate chip ice cream flavor, but in a soft, fluffy cake form that feeds a crowd. You get that cool mint freshness paired with rich chocolate in every single bite, and it’s all topped with a creamy buttercream that melts in your mouth. This sheet cake is your new go-to for parties, potlucks, or just because you deserve something sweet.

Ingredients

• 2 cups all-purpose flour (spooned and leveled for accuracy)
• 1 ½ cups granulated sugar
• ¾ cup unsweetened cocoa powder (use natural, not Dutch-process)
• 2 tsp baking soda
• 1 tsp baking powder
• 1 tsp salt
• 2 large eggs, at room temperature
• 1 cup buttermilk (or 1 cup milk + 1 tbsp lemon juice, rested 5 minutes)
• ½ cup vegetable oil (or any neutral oil like canola)
• 1 cup hot coffee (boiling water works too)
• 2 tsp pure peppermint extract
• 1 cup mini chocolate chips (plus extra for garnish)
• 1 cup (2 sticks) unsalted butter, softened
• 4 cups powdered sugar, sifted
• 3–4 tbsp heavy cream or milk
• ½ tsp pure peppermint extract
• Green food coloring, optional (gel works best for vibrant color)

Instructions

1. Preheat your oven to 350°F and grease a 9×13-inch baking pan.
2. Whisk together the flour, sugar, cocoa powder, baking soda, baking powder, and salt in a large bowl until no lumps remain.
3. Add the eggs, buttermilk, oil, and 2 tsp peppermint extract to the dry ingredients.
4. Mix on medium speed until the batter is just combined, scraping down the sides of the bowl once.
5. Carefully pour in the hot coffee and stir gently until the batter is smooth and thin.
6. Fold in 1 cup of mini chocolate chips with a spatula until evenly distributed.
7. Pour the batter into the prepared pan and spread it into an even layer.
8. Bake for 30–35 minutes, or until a toothpick inserted into the center comes out clean.
9. Let the cake cool completely in the pan on a wire rack, about 1 hour.
10. While the cake cools, beat the softened butter in a large bowl on medium-high speed until creamy, about 2 minutes.
11. Gradually add the sifted powdered sugar, 1 cup at a time, beating well after each addition.
12. Mix in ½ tsp peppermint extract and 3 tbsp heavy cream until smooth.
13. Add green food coloring, if using, and beat until the color is uniform.
14. If the frosting is too thick, add more heavy cream, 1 tbsp at a time, until spreadable.
15. Spread the buttercream evenly over the cooled cake with an offset spatula.
16. Sprinkle extra mini chocolate chips on top for garnish.

Unbelievably moist and tender, this cake stays soft for days thanks to the hot coffee in the batter. The mint buttercream is cool and creamy without being overly sweet, making each slice feel like a treat. Serve it chilled for a firmer frosting, or at room temperature if you prefer a melt-in-your-mouth texture—either way, it’s a crowd-pleaser.

Chocolate Raspberry Sheet Cake with Fresh Berries

Sometimes you just need a dessert that’s easy to make but looks totally impressive. This chocolate raspberry sheet cake comes together quickly and is perfect for feeding a crowd—plus those fresh berries make it feel extra special.

Ingredients

• 2 cups all-purpose flour (spoon and level for accuracy)
• 1 ½ cups granulated sugar
• ¾ cup unsweetened cocoa powder
• 2 tsp baking soda
• 1 tsp baking powder
• 1 tsp salt
• 2 large eggs, at room temperature
• 1 cup buttermilk (or 1 cup milk + 1 tbsp vinegar)
• ½ cup vegetable oil (or any neutral oil)
• 1 cup hot coffee (enhances chocolate flavor)
• 1 tsp vanilla extract
• 6 oz fresh raspberries
• 1 cup fresh mixed berries (for topping)
• 1 cup chocolate frosting (store-bought or homemade)

Instructions

1. Preheat your oven to 350°F and grease a 9×13-inch baking pan.
2. Whisk together flour, sugar, cocoa powder, baking soda, baking powder, and salt in a large bowl.
3. Add eggs, buttermilk, oil, and vanilla to the dry ingredients.
4. Mix on medium speed until just combined, about 1 minute.
5. Carefully pour in the hot coffee and mix until the batter is smooth.
6. Gently fold in the fresh raspberries with a spatula.
7. Pour the batter into your prepared pan and spread it evenly.
8. Bake for 30-35 minutes, until a toothpick inserted in the center comes out clean.
9. Let the cake cool completely in the pan on a wire rack, about 1 hour.
10. Spread the chocolate frosting evenly over the cooled cake.
11. Arrange the mixed fresh berries on top in a decorative pattern.

Just out of the oven, this cake is wonderfully moist with pockets of tart raspberry that burst in your mouth. The dark chocolate base pairs perfectly with the bright berries, making each slice both rich and refreshing. Try serving it slightly warm with a scoop of vanilla ice cream for the ultimate dessert experience.

Cookies and Cream Chocolate Sheet Cake

My friends, if you’re craving a dessert that’s ridiculously easy to whip up and packed with that classic cookies-and-cream magic, you’ve found your match. This sheet cake is soft, fudgy, and loaded with crushed Oreos in every bite—perfect for feeding a crowd or just treating yourself.

Ingredients

• 2 cups all-purpose flour (spooned and leveled for accuracy)
• 1 ½ cups granulated sugar
• ¾ cup unsweetened cocoa powder (natural or Dutch-process works)
• 2 tsp baking soda
• 1 tsp salt
• 1 cup buttermilk (or 1 cup milk + 1 tbsp lemon juice as a substitute)
• ½ cup vegetable oil (or any neutral oil like canola)
• 2 large eggs, at room temperature
• 1 cup hot coffee (enhances chocolate flavor; water works if preferred)
• 1 tsp vanilla extract
• 15 Oreo cookies, coarsely crushed (reserve a few for topping)
• 1 cup heavy whipping cream, chilled
• ½ cup powdered sugar
• 8 oz cream cheese, softened

Instructions

1. Preheat your oven to 350°F and grease a 9×13-inch baking pan lightly with oil or non-stick spray.
2. Whisk the flour, granulated sugar, cocoa powder, baking soda, and salt together in a large bowl until no lumps remain.
3. Pour in the buttermilk, vegetable oil, eggs, and vanilla extract, then mix on medium speed with a hand mixer until just combined—don’t overmix.
4. Carefully stir in the hot coffee until the batter is smooth and thin; the coffee deepens the chocolate flavor without making it taste like coffee.
5. Fold in 12 of the crushed Oreos gently with a spatula, saving the rest for garnish later.
6. Pour the batter into the prepared pan and spread it evenly into the corners with the spatula.
7. Bake for 28–32 minutes, or until a toothpick inserted into the center comes out clean with a few moist crumbs.
8. Let the cake cool completely in the pan on a wire rack—about 1 hour—to avoid a melted frosting.
9. While the cake cools, beat the chilled heavy cream and powdered sugar with a hand mixer on high until stiff peaks form, about 3–4 minutes.
10. In a separate bowl, beat the softened cream cheese until smooth, then fold it gently into the whipped cream until fully incorporated.
11. Spread the frosting evenly over the cooled cake and sprinkle the reserved crushed Oreos on top.

Fresh from the fridge, this cake is wonderfully moist with a rich chocolate base and crunchy cookie bits in every slice. For a fun twist, cut it into squares and layer with extra whipped cream and Oreo crumbs in individual jars for a portable treat that’s as Instagram-worthy as it is delicious.

Chocolate Mocha Sheet Cake with Espresso Glaze

Unbelievably easy and perfect for any gathering, this chocolate mocha sheet cake comes together in no time. You’ll love how the rich coffee flavor enhances the deep chocolate notes, creating a dessert that’s both sophisticated and completely approachable.

Ingredients

• 2 cups all-purpose flour (spooned and leveled for accuracy)
• 2 cups granulated sugar
• 1 teaspoon baking soda
• 1/2 teaspoon salt
• 1 cup unsalted butter (2 sticks, cut into pieces)
• 1 cup strong brewed coffee (hot, or use 1 tbsp instant coffee dissolved in 1 cup hot water)
• 1/4 cup unsweetened cocoa powder (natural or Dutch-process both work)
• 2 large eggs (at room temperature for better incorporation)
• 1/2 cup buttermilk (or 1/2 cup milk + 1 1/2 tsp vinegar, let sit 5 minutes)
• 1 teaspoon vanilla extract
• 2 cups powdered sugar (sifted to avoid lumps)
• 2 tablespoons brewed espresso or strong coffee (cooled)
• 1 tablespoon unsalted butter (melted)

Instructions

1. Preheat your oven to 350°F and grease a 9×13-inch baking pan.
2. Whisk together the flour, sugar, baking soda, and salt in a large bowl until well combined.
3. Combine the butter, hot coffee, and cocoa powder in a saucepan over medium heat.
4. Stir the butter mixture constantly until the butter melts completely and the mixture is smooth.
5. Pour the hot chocolate mixture into the dry ingredients and stir until just combined.
6. Whisk the eggs, buttermilk, and vanilla extract together in a separate small bowl.
7. Add the egg mixture to the batter and stir until the batter is smooth and uniform.
8. Pour the batter into your prepared pan and spread it evenly with a spatula.
9. Bake for 25-30 minutes until a toothpick inserted in the center comes out clean.
10. Cool the cake in the pan on a wire rack for 15 minutes while you make the glaze.
11. Whisk together the powdered sugar, cooled espresso, and melted butter in a medium bowl until smooth.
12. Pour the glaze over the warm cake and spread it evenly with an offset spatula.
13. Let the glazed cake cool completely before slicing into squares.

Every bite delivers an incredibly moist, tender crumb with bold coffee notes that perfectly complement the deep chocolate flavor. The espresso glaze adds a beautiful shine and extra caffeine kick that coffee lovers will adore. Try serving it slightly warm with a scoop of vanilla ice cream for the ultimate dessert experience.

White Chocolate and Dark Chocolate Marble Sheet Cake

Get ready for the most stunning dessert that’s way easier than it looks. This gorgeous marble cake combines rich dark chocolate and creamy white chocolate in one beautiful sheet cake that’ll impress everyone at your next gathering. You’ll love how simple it is to create those elegant swirls!

Ingredients

– 2 cups all-purpose flour (spooned and leveled for accuracy)
– 1½ cups granulated sugar
– ¾ cup unsalted butter, softened (or margarine for dairy-free)
– ¾ cup whole milk (any milk works)
– 3 large eggs, room temperature
– 2 tsp baking powder
– 1 tsp vanilla extract
– ½ tsp salt
– ½ cup dark chocolate chips, melted
– ⅓ cup white chocolate chips, melted
– Cooking spray for the pan

Instructions

1. Preheat your oven to 350°F and spray a 9×13 inch baking pan with cooking spray.
2. Whisk together flour, baking powder, and salt in a medium bowl until fully combined.
3. Beat softened butter and sugar in a large bowl with an electric mixer on medium speed for 3 minutes until light and fluffy.
4. Add eggs one at a time, beating for 30 seconds after each addition until fully incorporated.
5. Mix in vanilla extract until just combined.
6. Alternate adding the flour mixture and milk to the butter mixture, beginning and ending with flour, mixing on low speed after each addition.
7. Divide the batter evenly between two separate bowls.
8. Melt dark chocolate chips in a microwave-safe bowl in 30-second intervals, stirring between each, until smooth.
9. Stir the melted dark chocolate into one bowl of batter until fully incorporated and no streaks remain.
10. Melt white chocolate chips using the same microwave method, being careful not to overheat.
11. Stir the melted white chocolate into the second bowl of batter until completely blended.
12. Drop alternating spoonfuls of both batters randomly across the prepared pan.
13. Run a knife through the batters in a zigzag pattern to create marble swirls, being careful not to overmix.
14. Bake at 350°F for 30-35 minutes until a toothpick inserted in the center comes out clean.
15. Cool the cake in the pan on a wire rack for 15 minutes before serving.

Keep this beauty simple with just a dusting of powdered sugar, or go all out with chocolate ganache drizzle. The contrast between the rich dark chocolate and sweet white chocolate creates an incredible flavor experience in every bite, while the tender crumb makes it perfect for any occasion from casual coffee breaks to fancy dessert tables.

Chocolate Sheet Cake with Oreo Crumb Topping

Very few desserts hit that perfect sweet spot between nostalgic comfort and irresistible indulgence quite like this one. You’re going to love how the rich chocolate base pairs with that crunchy cookie topping—it’s the kind of treat that disappears fast at any gathering. Let’s get baking!

Ingredients

– 2 cups all-purpose flour (spooned and leveled for accuracy)
– 1 ½ cups granulated sugar
– ½ cup unsweetened cocoa powder (natural works best)
– 1 tsp baking soda
– ½ tsp salt
– 1 cup buttermilk (or 1 cup milk + 1 tbsp vinegar, let sit 5 minutes)
– ½ cup vegetable oil (or any neutral oil)
– 2 large eggs, room temperature
– 1 tsp vanilla extract
– 1 cup boiling water
– 15 Oreo cookies, crushed into coarse crumbs (about 1 ½ cups)
– ½ cup semi-sweet chocolate chips

Instructions

1. Preheat your oven to 350°F and grease a 9×13-inch baking pan.
2. Whisk together the flour, sugar, cocoa powder, baking soda, and salt in a large bowl until no streaks remain.
3. Add the buttermilk, vegetable oil, eggs, and vanilla extract to the dry ingredients.
4. Use an electric mixer on medium speed to combine the wet and dry ingredients for about 2 minutes, scraping the bowl halfway through.
5. Carefully pour in the boiling water and mix on low speed until the batter is smooth and thin.
6. Tip: The batter will be runny—this is normal and ensures a moist cake.
7. Pour the batter into your prepared pan and spread it evenly with a spatula.
8. Sprinkle the crushed Oreo crumbs evenly over the entire surface of the batter.
9. Scatter the chocolate chips over the Oreo crumbs.
10. Bake for 30–35 minutes, or until a toothpick inserted into the center comes out clean.
11. Tip: Avoid opening the oven door during the first 25 minutes to prevent sinking.
12. Let the cake cool completely in the pan on a wire rack before slicing.
13. Tip: For clean cuts, use a sharp knife wiped clean between slices.

Craving that first bite? The cake stays incredibly moist thanks to the boiling water, while the Oreo topping adds a satisfying crunch. Serve it slightly warm with a scoop of vanilla ice cream for the ultimate contrast, or enjoy it straight from the pan—no one will judge!

Chocolate Hazelnut Sheet Cake with Nutella Frosting

Dessert dreams really do come true with this ridiculously easy chocolate hazelnut sheet cake. You get rich chocolate flavor, nutty crunch, and that creamy Nutella frosting all in one pan—perfect for when you need a crowd-pleaser fast. Seriously, this might just become your new go-to for potlucks and birthdays.

Ingredients

– 2 cups all-purpose flour (spoon and level for accuracy)
– 1 ¾ cups granulated sugar
– ¾ cup unsweetened cocoa powder
– 2 tsp baking soda
– 1 tsp salt
– 1 cup buttermilk (or 1 cup milk + 1 tbsp vinegar, let sit 5 minutes)
– ½ cup vegetable oil (or any neutral oil)
– 2 large eggs, room temperature
– 1 tsp vanilla extract
– 1 cup boiling water
– ½ cup chopped hazelnuts, toasted
– 1 cup Nutella
– ½ cup unsalted butter, softened
– 2 cups powdered sugar
– 3–4 tbsp milk, as needed

Instructions

1. Preheat your oven to 350°F and grease a 9×13-inch baking pan.
2. Whisk together the flour, sugar, cocoa powder, baking soda, and salt in a large bowl until no lumps remain.
3. Add the buttermilk, vegetable oil, eggs, and vanilla extract to the dry ingredients.
4. Use an electric mixer on medium speed to beat the mixture for 2 minutes until smooth and well combined.
5. Carefully pour in the boiling water and mix on low speed until the batter is thin and uniform—don’t worry, that’s normal!
6. Fold in the toasted hazelnuts with a spatula to distribute them evenly.
7. Pour the batter into the prepared pan and spread it into an even layer.
8. Bake for 30–35 minutes, or until a toothpick inserted into the center comes out clean.
9. Let the cake cool completely in the pan on a wire rack—about 1 hour—before frosting.
10. Beat the softened butter and Nutella together in a medium bowl until creamy.
11. Gradually add the powdered sugar, mixing on low speed to avoid a cloud of sugar dust.
12. Pour in 3 tablespoons of milk and beat on medium-high for 2 minutes until fluffy; add more milk if needed for spreadable consistency.
13. Spread the frosting evenly over the cooled cake and sprinkle with extra chopped hazelnuts if desired.
Buttery, fudgy, and packed with hazelnut goodness, this cake stays super moist thanks to that hot water trick. Serve it straight from the pan for easy cleanup, or dress it up with a scoop of vanilla ice cream while it’s still slightly warm.

Chocolate Coconut Sheet Cake with Toasted Coconut Flakes

Haven’t we all had those days where you need a simple, crowd-pleasing dessert that doesn’t require fancy decorating skills? This chocolate coconut sheet cake is your new best friend for potlucks, birthdays, or just because it’s Tuesday. You get rich chocolate flavor and tropical coconut in every bite, all baked in one pan for minimal cleanup.

Ingredients

– 2 cups all-purpose flour (spooned and leveled for accuracy)
– 1¾ cups granulated sugar
– ¾ cup unsweetened cocoa powder (Dutch-processed for deeper flavor)
– 2 tsp baking soda
– 1 tsp baking powder
– 1 tsp salt
– 2 large eggs, room temperature
– 1 cup buttermilk (or 1 cup milk + 1 tbsp lemon juice)
– ½ cup vegetable oil (or any neutral oil)
– 1 cup hot coffee (enhances chocolate flavor, water works too)
– 1 tsp vanilla extract
– 1 cup sweetened shredded coconut
– ½ cup heavy cream
– 4 tbsp unsalted butter
– 2 cups powdered sugar
– 1 tsp coconut extract (optional for stronger coconut flavor)
– ½ cup toasted coconut flakes (for topping)

Instructions

1. Preheat your oven to 350°F and grease a 9×13-inch baking pan.
2. Whisk together flour, sugar, cocoa powder, baking soda, baking powder, and salt in a large bowl until no lumps remain.
3. Add eggs, buttermilk, oil, and vanilla extract to the dry ingredients.
4. Mix on medium speed for 2 minutes until the batter is smooth and well combined.
5. Carefully pour in the hot coffee and stir by hand until the batter becomes thin and glossy.
6. Tip: Scrape the bowl’s sides with a spatula to incorporate all ingredients evenly.
7. Pour the batter into your prepared pan and spread it evenly with a spatula.
8. Bake for 30-35 minutes until a toothpick inserted in the center comes out clean.
9. Tip: Rotate the pan halfway through baking for even browning.
10. Let the cake cool completely in the pan on a wire rack, about 1 hour.
11. While the cake cools, toast the shredded coconut in a dry skillet over medium heat for 3-5 minutes, stirring constantly until golden brown.
12. For the frosting, heat heavy cream and butter in a saucepan over medium heat until the butter melts.
13. Remove from heat and whisk in powdered sugar and coconut extract until smooth.
14. Tip: If the frosting seems too thick, add 1 tablespoon of warm cream to reach pouring consistency.
15. Pour the warm frosting over the cooled cake and spread it evenly with an offset spatula.
16. Immediately sprinkle the toasted coconut flakes over the frosting before it sets.
17. Let the frosting set for 20 minutes before slicing and serving.

Every slice delivers moist, fudgy cake with crispy coconut topping that adds wonderful texture contrast. Enjoy it slightly warm with a scoop of vanilla ice cream, or pack squares for lunchbox treats that travel beautifully without mess.

Chocolate Banana Sheet Cake with Caramel Drizzle

Remember that overripe banana situation we’ve all faced? You know, when they’re too mushy for eating but perfect for baking. This chocolate banana sheet cake with caramel drizzle transforms those forgotten fruits into the most tender, moist dessert that practically begs for a second slice.

Ingredients

– 2 cups all-purpose flour
– 1 ½ cups granulated sugar
– ¾ cup unsweetened cocoa powder
– 2 teaspoons baking soda
– 1 teaspoon salt
– 1 cup mashed very ripe bananas (about 3 medium)
– 1 cup buttermilk, at room temperature
– ½ cup vegetable oil (or any neutral oil)
– 2 large eggs, at room temperature
– 1 teaspoon vanilla extract
– 1 cup boiling water
– ½ cup caramel sauce, for drizzling

Instructions

1. Preheat your oven to 350°F and grease a 9×13-inch baking pan.
2. Whisk together the flour, sugar, cocoa powder, baking soda, and salt in a large bowl until no lumps remain.
3. In a separate bowl, mash the bananas thoroughly with a fork until smooth.
4. Add the buttermilk, vegetable oil, eggs, and vanilla extract to the mashed bananas and whisk until fully combined.
5. Pour the wet ingredients into the dry ingredients and stir gently until just combined—don’t overmix.
6. Carefully pour in the boiling water and stir until the batter becomes thin and smooth.
7. Immediately pour the batter into your prepared pan and spread it evenly with a spatula.
8. Bake for 30-35 minutes until a toothpick inserted in the center comes out clean.
9. Let the cake cool completely in the pan on a wire rack for at least 1 hour.
10. Drizzle the caramel sauce evenly over the cooled cake in a zigzag pattern.

Devilishly moist with deep chocolate flavor, this cake stays incredibly tender thanks to those bananas. The caramel drizzle adds just enough sweetness to balance the rich cocoa. Try serving it slightly warm with a scoop of vanilla ice cream for the ultimate comfort dessert.

Chocolate Sheet Cake with Marshmallow Fluff Frosting

Craving something sweet that’s easy to share? This chocolate sheet cake is your new go-to—it’s rich, fudgy, and topped with a cloud of marshmallow fluff frosting that’ll have everyone asking for seconds. You’ll love how simple it is to whip up for any occasion.

Ingredients

– 2 cups all-purpose flour (spooned and leveled for accuracy)
– 1 ½ cups granulated sugar
– ½ cup unsweetened cocoa powder (natural or Dutch-process)
– 1 tsp baking soda
– ½ tsp salt
– 1 cup buttermilk (or 1 cup milk + 1 tbsp lemon juice, rested 5 minutes)
– ½ cup vegetable oil (or any neutral oil)
– 2 large eggs, room temperature
– 1 tsp vanilla extract
– 1 cup boiling water
– 1 (7 oz) jar marshmallow fluff
– ½ cup unsalted butter, softened
– 1 cup powdered sugar
– 1 tsp vanilla extract

Instructions

1. Preheat your oven to 350°F and grease a 9×13-inch baking pan.
2. Whisk together the flour, sugar, cocoa powder, baking soda, and salt in a large bowl until no lumps remain.
3. Pour in the buttermilk, vegetable oil, eggs, and 1 tsp vanilla extract, then mix on medium speed until just combined—don’t overmix.
4. Carefully stir in the boiling water with a spatula; the batter will be thin, which helps create a moist cake.
5. Pour the batter into the prepared pan and spread it evenly with a spatula.
6. Bake for 30–35 minutes, or until a toothpick inserted into the center comes out clean.
7. Let the cake cool completely in the pan on a wire rack, about 1 hour.
8. While the cake cools, beat the softened butter in a bowl with a hand mixer until creamy, about 2 minutes.
9. Add the marshmallow fluff, powdered sugar, and 1 tsp vanilla extract, then beat on low until combined, then on medium-high for 2 minutes until fluffy.
10. Spread the frosting evenly over the cooled cake with an offset spatula. Very moist and tender, this cake stays soft for days thanks to the boiling water trick. The marshmallow fluff frosting is lightly sweet and pillowy—try topping it with chocolate shavings or serving it with a scoop of vanilla ice cream for an extra treat.

Chocolate Cherry Sheet Cake with Almond Glaze

Very few desserts hit that perfect balance of rich chocolate and fruity sweetness quite like this one. You’re going to love how simple it is to whip up this crowd-pleasing sheet cake that’s perfect for potlucks, birthdays, or just because it’s Tuesday. The almond glaze adds that extra special touch that makes it feel bakery-worthy.

Ingredients

– 2 cups all-purpose flour (spooned and leveled for accuracy)
– 1 ½ cups granulated sugar
– ¾ cup unsweetened cocoa powder (Dutch-processed works great)
– 2 tsp baking soda
– 1 tsp salt
– 1 cup buttermilk (or 1 cup milk + 1 tbsp vinegar)
– ½ cup vegetable oil (or any neutral oil)
– 2 large eggs, room temperature
– 1 tsp vanilla extract
– 1 cup boiling water
– 1 cup chopped dark cherries (fresh or frozen, pitted)
– 2 cups powdered sugar
– 3-4 tbsp milk (adjust for desired glaze consistency)
– 1 tsp almond extract
– ½ cup sliced almonds for topping

Instructions

1. Preheat your oven to 350°F and grease a 9×13 inch baking pan.
2. Whisk together flour, sugar, cocoa powder, baking soda, and salt in a large bowl.
3. Add buttermilk, oil, eggs, and vanilla extract to the dry ingredients.
4. Mix on medium speed until just combined, about 1 minute.
5. Carefully pour in 1 cup of boiling water while mixing on low speed.
6. Fold in chopped cherries with a spatula until evenly distributed.
7. Pour batter into prepared pan and spread evenly.
8. Bake at 350°F for 30-35 minutes until a toothpick inserted in center comes out clean.
9. Cool cake completely in pan on a wire rack, about 1 hour.
10. Whisk powdered sugar, milk, and almond extract in a medium bowl until smooth.
11. Drizzle glaze over cooled cake using a spoon or piping bag.
12. Sprinkle sliced almonds evenly over the glazed surface.
13. Let glaze set for 15 minutes before slicing.

This cake stays incredibly moist thanks to the boiling water trick, with bursts of tart cherry cutting through the deep chocolate flavor. The almond glaze adds a subtle nuttiness that pairs beautifully with the cherries. Try serving it slightly warm with a scoop of vanilla ice cream for the ultimate dessert experience.

Spiced Chocolate Sheet Cake with Cinnamon Frosting

You know those days when only a big, comforting slice of cake will do? This spiced chocolate sheet cake with cinnamon frosting is your answer. It’s rich, warmly spiced, and comes together in one bowl—no fancy equipment needed.

Ingredients

– 2 cups all-purpose flour (spooned and leveled for accuracy)
– 1 ¾ cups granulated sugar
– ¾ cup unsweetened cocoa powder (natural or Dutch-process both work)
– 2 tsp baking soda
– 1 tsp baking powder
– 1 tsp salt
– 1 tsp ground cinnamon
– ½ tsp ground nutmeg (freshly grated adds more flavor)
– 2 large eggs, at room temperature
– 1 cup buttermilk (or 1 cup milk + 1 tbsp lemon juice, rested 5 minutes)
– ½ cup vegetable oil (or any neutral oil like canola)
– 1 cup hot coffee (or hot water if preferred)
– 2 tsp vanilla extract
– ½ cup unsalted butter, softened
– 3 cups powdered sugar, sifted
– 1 ½ tsp ground cinnamon
– 3–4 tbsp whole milk or heavy cream (adjust for spreadable consistency)
– 1 tsp vanilla extract
– Pinch of salt

Instructions

1. Preheat your oven to 350°F and grease a 9×13-inch baking pan.
2. In a large bowl, whisk together the flour, granulated sugar, cocoa powder, baking soda, baking powder, salt, cinnamon, and nutmeg until no streaks remain.
3. Add the eggs, buttermilk, vegetable oil, and vanilla extract to the dry ingredients.
4. Use a whisk or spatula to mix until just combined—do not overmix.
5. Carefully pour in the hot coffee and stir until the batter is smooth and thin.
6. Pour the batter into the prepared pan and spread it evenly with a spatula.
7. Bake for 30–35 minutes, or until a toothpick inserted into the center comes out clean.
8. Let the cake cool completely in the pan on a wire rack, about 1 hour.
9. For the frosting, beat the softened butter in a medium bowl with a hand mixer until creamy, about 1 minute.
10. Gradually add the sifted powdered sugar, cinnamon, milk, vanilla, and salt, beating on low speed until incorporated.
11. Increase the mixer speed to medium-high and beat for 2–3 minutes until the frosting is light and fluffy.
12. Spread the frosting evenly over the cooled cake.

This cake is wonderfully moist with a tender crumb and a deep chocolate flavor warmed by cinnamon and nutmeg. The frosting is creamy with just the right spice kick—perfect for slicing straight from the pan or serving with a scoop of vanilla ice cream.

Summary

These 18 decadent chocolate sheet cake recipes prove that irresistible desserts can be simple and spectacular. Whether you’re baking for a crowd or just craving something sweet, there’s a perfect 9×13 treat waiting for you. Try your favorites, leave a comment sharing which ones you loved, and don’t forget to pin this article to your dessert board for future baking inspiration!

Laura Hauser

Laura Hauser is a food writer and editor passionate about authentic, approachable home cooking.