Barbecue Sauce
["3 Tbsp. butter or margarine", "1 medium onion, cut fine", "1/2 c. vinegar", "1/2 c. water", "1 c. catsup", "3 Tbsp. lemon juice", "1/4 c. brown sugar", "1 Tbsp. prepared mustard", "3 Tbsp. Worcestershire sauce", "dash of salt and pepper"]
["Simmer all ingredients together for 15 to 20 minutes."]
["butter", "onion", "vinegar", "water", "catsup", "lemon juice", "brown sugar", "mustard", "Worcestershire sauce", "salt"]