When I need a low-effort dinner that still feels hearty, this slow cooker rib recipe is one of the first things I think of. It leans on budget-friendly beef flanken ribs, a bottle of basic barbecue sauce, and just a few pantry extras to build a sweet, savory sauce while the slow cooker does the work. It is the kind of practical Midwest weeknight dinner that fits real life, especially on a busy day when getting something filling on the table matters more than anything fancy.
Serve these tender ribs with mashed potatoes, buttered noodles, rice, or thick slices of bread to catch the extra sauce. For summer-style sides, I like coleslaw, corn on the cob, baked beans, or a simple cucumber salad, because the cool and crisp flavors balance the rich, saucy beef really well.
Slow Cooker 5-Ingredient Poor Man Summer Ribs
Servings: 4 to 6
Ingredients
2 1/2 to 3 pounds frozen raw beef flanken ribs
1 1/2 cups generic barbecue sauce
1 medium yellow onion, thinly sliced
2 tablespoons Worcestershire sauce
2 tablespoons brown sugar
Directions
1. Lightly grease the slow cooker insert if desired for easier cleanup. Spread half of the sliced onion in the bottom of the slow cooker.
2. Place the frozen beef flanken ribs over the onions in an even layer. Spoon or spread the barbecue sauce over the top, then add the Worcestershire sauce and sprinkle on the brown sugar. Top with the remaining onion slices.
3. Cover and cook on low for 7 to 8 hours or on high for 4 to 5 hours, until the beef is very tender and the sauce is rich and slightly thickened.
4. Carefully transfer the ribs to a platter and spoon some of the sauce and onions over the top before serving.
Variations & Tips
Add heat: Stir in 1 to 2 teaspoons hot sauce or a pinch of red pepper flakes if you want a sweeter-spicier barbecue flavor.
Make it deeper in flavor: A teaspoon of garlic powder or smoked paprika adds a little more depth without making the recipe any more complicated.
For a thicker sauce: If the sauce seems thin at the end, remove the lid for the last 20 to 30 minutes of cooking, or transfer the sauce to a saucepan and simmer it for a few minutes before spooning it back over the ribs.
Meal prep tip: These ribs reheat well, so I like to make them ahead for busy weekdays. Store leftovers in the sauce so the meat stays moist, then reheat gently on the stove or in the microwave.
Food safety note: For best food safety, thaw the ribs in the refrigerator before slow cooking rather than starting from fully frozen. That helps the meat move through the safe temperature range more quickly and cook more evenly.