Ingredients:
3-4 pounds beef ribs (short ribs or back ribs)
1 cup barbecue sauce (homemade or store-bought)
1/4 cup apple cider vinegar
1/4 cup brown sugar
2 tablespoons Worcestershire sauce
2 cloves garlic, minced
1 teaspoon smoked paprika
1 teaspoon onion powder
1/2 teaspoon black pepper
1/2 teaspoon salt
Optional: 1/4 teaspoon cayenne pepper (for heat)
1 onion, sliced
1 cup beef broth or water