Southwest Frankfurters
["1/2 c. chopped onion", "2 Tbsp. butter or margarine", "1 (10 3/4 oz.) can condensed tomato soup", "1 1/2 c. cooked spiral shaped macaroni", "1 Tbsp. sweet pickle relish", "1 tsp. prepared mustard", "1/2 lb. frankfurters, slashed", "1/3 c. water", "1 can (about 8 oz.) vacuum packed whole kernel corn, undrained"]
["In saucepan, cook onion in butter until tender.", "Stir in remaining ingredients except frankfurters.", "Pour into 1 1/2-quart shallow baking dish (10 x 6 x 2-inch); top with frankfurters. Bake at 400\u00b0 for 20 minutes or until hot.", "Makes 4 servings."]
["onion", "butter", "tomato soup", "macaroni", "sweet pickle relish", "mustard", "frankfurters", "water", "kernel corn"]