Spicy Vegetable Dip
["1/2 c. tomato soup or tomato sauce", "1/2 c. cider vinegar", "1/2 c. sugar", "1/2 c. butter or margarine", "1/2 c. French mustard", "1 egg yolk"]
["Place all ingredients in a double boiler and mix well.", "Cook over boiling water until thick. When still somewhat runny, cool and put in container. Refrigerate.", "It will thicken when cool. Serve as dip for vegetables."]
["tomato soup", "cider vinegar", "sugar", "butter", "French mustard", "egg yolk"]