Flanken Short Ribs – Grandma’s Sunday Supper Legacy

Grandma’s kitchen always smelled like heaven on Sunday afternoons, and nothing brings back those cherished memories quite like the rich aroma of flanken short ribs simmering away. Gathering around her worn oak table, watching steam rise from the platter as she carried it triumphantly from stove to table, remains one of my most treasured childhood recollections that I’m now passing down to my own children.

Why This Recipe Works

• The cross-cut bones create incredible flavor infusion throughout the meat while allowing for faster cooking than traditional short ribs
• Slow braising transforms the tough connective tissues into melt-in-your-mouth tenderness that falls right off the bone
• Caramelization from proper searing builds complex flavor foundations that deepen during the long cooking process
• The marrow from the cross-cut bones enriches the braising liquid into a luxurious sauce that coats every bite
• Simple seasoning lets the natural beef flavor shine while creating that comforting, familiar taste we all crave

Ingredients

• 3 pounds flanken-style short ribs, cut ¾-inch thick across the bone
• 2 tablespoons kosher salt
• 1 tablespoon freshly ground black pepper
• 3 tablespoons avocado oil or high-smoke point vegetable oil
• 2 large yellow onions, roughly chopped into 1-inch pieces
• 6 garlic cloves, smashed and peeled
• 2 large carrots, peeled and cut into 1-inch chunks
• 3 celery stalks, cut into 1-inch pieces
• ½ cup dry red wine like Cabernet Sauvignon
• 4 cups beef broth, preferably low-sodium
• 2 tablespoons tomato paste
• 3 fresh thyme sprigs
• 2 bay leaves
• 1 tablespoon Worcestershire sauce
• 2 tablespoons all-purpose flour mixed with ¼ cup cold water (for slurry)
• ¼ cup chopped fresh parsley for garnish

Equipment Needed

• Large Dutch oven or heavy-bottomed pot with tight-fitting lid
• Tongs for turning meat
• Cutting board and sharp chef’s knife
• Measuring cups and spoons
• Mixing bowl for flour slurry
• Instant-read thermometer (optional but recommended)
• Serving platter

Instructions

Preparing and Searing the Short Ribs

I always start by patting the 3 pounds of flanken-style short ribs completely dry with paper towels, just like Grandma taught me—this crucial step ensures proper browning rather than steaming. Then I generously season both sides of each rib with the 2 tablespoons of kosher salt and 1 tablespoon of freshly ground black pepper, making sure every surface gets attention. In my heavy Dutch oven, I heat the 3 tablespoons of avocado oil over medium-high heat until it shimmers and just begins to wisp smoke, about 3-4 minutes. Working in batches to avoid crowding, I carefully place the seasoned short ribs in the hot oil, listening for that satisfying sizzle that takes me right back to childhood Sundays. I sear each piece for 4-5 minutes per side until they develop a deep, mahogany-brown crust, using my tongs to flip them precisely when they release easily from the pot bottom. Tip: Don’t rush the searing process—proper browning builds flavor foundations that will transform your final dish from good to extraordinary.

Building the Flavor Foundation

The Slow Braising Process
Once the wine has reduced by about half, after 3-4 minutes of simmering, I return all the seared short ribs to the Dutch oven along with any accumulated juices from the plate. I pour in the 4 cups of beef broth until the liquid just covers the meat, then add the 3 fresh thyme sprigs, 2 bay leaves, and 1 tablespoon of Worcestershire sauce. Bringing everything to a gentle simmer over medium heat, I then reduce the heat to low, cover the pot tightly with its lid, and let the magic happen for 2½ to 3 hours. During this time, I resist the temptation to peek too often, trusting the process just as generations before me have done. The short ribs are ready when the meat becomes fork-tender and pulls away easily from the bone, filling the house with memories of family gatherings past.

Creating the Luxurious Sauce

Using my trusty tongs, I carefully transfer the tender short ribs to a serving platter, covering them loosely with foil to keep them warm and moist. Then I skim off any excess fat from the surface of the braising liquid with a large spoon, remembering how Grandma would always say “the sauce makes the meal.” I bring the remaining liquid and vegetables to a brisk simmer over medium heat and let it reduce for about 10 minutes until it thickens slightly and the flavors concentrate. Meanwhile, I whisk together the 2 tablespoons of all-purpose flour with ¼ cup of cold water in a small bowl until completely smooth, creating what chefs call a slurry. Tip: Always mix flour with cold liquid to prevent lumps—this little trick ensures your sauce will be silky rather than grainy.

Finishing and Serving with Love

While stirring the simmering braising liquid constantly with one hand, I slowly drizzle in the flour slurry with the other, watching as the sauce begins to thicken almost immediately. I continue cooking and stirring for another 3-4 minutes until the sauce coats the back of my spoon nicely and reaches my desired consistency. Then I taste and adjust the seasoning with additional salt and pepper if needed, just as I watched my mother do countless times. I pour this glorious sauce over the waiting short ribs on the platter and garnish generously with the ¼ cup of chopped fresh parsley. Tip: Let the short ribs rest for 10 minutes before serving—this allows the meat fibers to relax and reabsorb juices, ensuring every bite is perfectly moist and tender.

Tips and Tricks

If you want to take your flanken short ribs to the next level, consider these additional techniques that I’ve gathered over years of family cooking. For the most tender results, try marinating the short ribs overnight in the refrigerator with just the salt and pepper—this dry brine technique draws out moisture then allows it to be reabsorbed, seasoning the meat throughout while improving texture. When selecting your short ribs at the butcher counter, look for pieces with good marbling throughout the meat and bones that are cut evenly—this ensures consistent cooking and maximum flavor. If you find yourself without a Dutch oven, you can achieve similar results using a heavy roasting pan tightly covered with aluminum foil, though the even heat distribution of cast iron really can’t be beaten. For those who prefer to cook ahead, these short ribs actually improve in flavor when made a day in advance—simply cool completely, refrigerate overnight, then gently reheat the next day, which allows the flavors to meld beautifully while making fat removal even easier. If your sauce isn’t thickening to your liking, you can create a beurre manié by mashing equal parts softened butter and flour together, then whisking small pieces into the simmering sauce until perfect consistency is reached. For extra richness, stir in a tablespoon of cold butter at the very end off the heat—this French technique called monté au beurre gives professional-level silkiness to your sauce. And don’t discard those leftover bones! They make incredible stock for future soups or stews—just cover with fresh water, add some aromatics, and simmer for several hours to extract every last bit of flavor and nutrition.

Recipe Variations

• Asian-Inspired Flanken: Replace the red wine with ½ cup of sake or dry sherry, use soy sauce instead of Worcestershire, add 2 tablespoons of grated fresh ginger and 1 tablespoon of sesame oil to the braising liquid, and garnish with sliced scallions and toasted sesame seeds for an Eastern twist that still delivers incredible comfort.
• Spicy Korean-Style: Create a marinade with ¼ cup gochujang (Korean chili paste), 3 tablespoons brown sugar, ¼ cup soy sauce, 2 tablespoons rice vinegar, and 4 minced garlic cloves—marinate the short ribs for at least 4 hours before searing, then proceed with the recipe using beef broth as your liquid for that perfect balance of heat and sweetness.
• Italian Herb Infusion: Substitute the thyme and bay leaves with 2 tablespoons of chopped fresh rosemary and 1 tablespoon of dried oregano, use a dry Italian red wine like Chianti, and add 1 cup of crushed San Marzano tomatoes to the braising liquid for a Mediterranean flavor profile that pairs beautifully with polenta or creamy risotto.
• Smoky Barbecue Version: After searing, transfer the short ribs to a slow cooker or oven-safe pot, then mix together 1 cup of your favorite barbecue sauce, ½ cup of beef broth, 2 tablespoons of apple cider vinegar, and 1 teaspoon of liquid smoke—cook low and slow until falling-apart tender, then serve with extra sauce for dipping.
• Wine-Free Option: For those who prefer not to cook with alcohol, simply omit the red wine and increase the beef broth to 4½ cups, adding 1 tablespoon of red wine vinegar at the end to provide that necessary acidity that balances the richness of the meat—the result will still be deeply satisfying and family-friendly.

Frequently Asked Questions

What’s the difference between flanken and English-cut short ribs?

Flanken-style short ribs are cut across the bone, resulting in several thin pieces of meat with multiple small bone sections, typically about ¾-inch thick, while English-cut short ribs are cut parallel to the bone, creating thicker individual portions with one larger bone segment. The flanken cut exposes more bone surface area, which releases more marrow and flavor into your braising liquid, and it cooks significantly faster due to the thinner cut. This cross-cut method also creates more caramelized edges during searing, giving you greater flavor development in less time, making it perfect for busy family cooks who still want that slow-cooked taste without all-day cooking.

Can I cook flanken short ribs in a slow cooker?

Absolutely! After properly searing your short ribs on all sides in a hot skillet to develop that essential crust, transfer them to your slow cooker along with the sautéed vegetables and all other ingredients except the flour slurry. Cook on low for 6-8 hours or high for 3-4 hours until the meat is fork-tender, then transfer the cooked ribs to a serving platter while you thicken the sauce separately on the stovetop. This method works beautifully for busy weekdays when you want to come home to a ready meal, though the sauce may need slightly longer reduction time since slow cookers don’t allow for evaporation like stovetop cooking does.

How do I know when the short ribs are properly cooked?

Can I prepare these short ribs ahead of time?What are the best side dishes to serve with flanken short ribs?
These rich, flavorful short ribs pair beautifully with creamy, starchy sides that can soak up the luxurious sauce—creamy mashed potatoes are my family’s traditional favorite, but equally wonderful options include soft polenta, buttered egg noodles, or creamy risotto. For vegetable sides, consider simple roasted carrots or Brussels sprouts, garlicky sautéed greens like kale or spinach, or a crisp green salad with sharp vinaigrette to cut through the richness. Don’t forget crusty bread for sopping up every last drop of that incredible sauce—my grandmother always said wasting good sauce should be a crime in every kitchen.

Summary

This cherished family recipe transforms cross-cut flanken short ribs through proper searing and slow braising into fall-off-the-bone tenderness, creating rich, marrow-infused sauce and comforting memories with every savory bite that connects generations around the dinner table.