Mom'S Barbecue Chicken
["1 medium onion", "1/2 stick margarine", "1 bottle catsup", "1 Tbsp. Worcestershire sauce", "1/2 c. water"]
["Saute onion in margarine.", "Add remaining ingredients and boil for 20 minutes.", "Bake chicken at 350\u00b0 for 1 hour.", "Pour sauce over and cook 30 more minutes."]
["onion", "margarine", "catsup", "Worcestershire sauce", "water"]