Oven-Baked BBQ Beef Flanken Ribs

Name: Oven-Baked BBQ Beef Flanken Ribs
Prep time: 10 min
Cook time: 120 min
Ingredients: 2-3 lbs beef flank ribs; 1 tsp onion powder; 1 tsp garlic powder; ½ tsp Tony Chachere's Creole Seasoning; ½ tsp steak seasoning blend; 2 tbsp Worcestershire sauce; ½ yellow onion (diced); 1 cup BBQ sauce