Barbecued Frankfurters
["1 medium onion", "2 Tbsp. butter", "2 Tbsp. vinegar", "2 Tbsp. brown sugar", "1 c. ketchup", "1/2 Tbsp. mustard", "1/2 Tbsp. chopped green pepper", "1/2 c. water", "1/2 lb. frankfurters"]
["Brown onion and green pepper in butter.", "Add rest of ingredients except franks.", "Cook slowly for 20 minutes.", "Prick skins of franks with a fork; place in sauce, cover and cook slowly until heated thoroughly."]
["onion", "butter", "vinegar", "brown sugar", "ketchup", "mustard", "green pepper", "water", "frankfurters"]