Oven Barbecue Ribs
["2 to 4 lb. meaty ribs", "2 sliced onions", "2 Tbsp. vinegar", "2 Tbsp. Worcestershire sauce", "1 tsp. salt", "1/2 tsp. red pepper", "1 tsp. paprika", "1/2 tsp. black pepper", "1 tsp. chili powder", "3/4 c. catsup", "3/4 c. water"]
["Divide ribs into serving pieces.", "Place in roasting pan.", "Lay onions on top and pour over them the sauce made from the remaining ingredients. Cover and bake 1 1/2 hours in moderate oven or until tender.", "Remove cover for the last 20 minutes and", "allow to brown."]
["meaty ribs", "onions", "vinegar", "Worcestershire sauce", "salt", "red pepper", "paprika", "black pepper", "chili powder", "catsup", "water"]