Barbecue Sauce
["1 c. catsup", "1/2 c. water", "3 Tbsp. soy sauce", "3 Tbsp. white vinegar", "3 Tbsp. brown sugar", "3 Tbsp. butter", "1/2 onion"]
["Saute onion in butter.", "Add other ingredients and cook until thick."]
["catsup", "water", "soy sauce", "white vinegar", "brown sugar", "butter", "onion"]