Salad Dressing
["1 c. sugar", "1 c. milk", "3/4 c. cider vinegar", "2 Tbsp. dry mustard", "4 egg yolks, beaten", "4 Tbsp. flour", "1 tsp. salt", "2 Tbsp. butter"]
["Mix dry ingredients in double boiler. Add eggs, milk and vinegar. Cook over hot water, stirring constantly, until thick. Add butter; cool. May be stored in refrigerator for 1 month. Makes 1 quart."]
["sugar", "milk", "cider vinegar", "mustard", "egg yolks", "flour", "salt", "butter"]