Lemon Cheese Filling
["1 c. sugar", "3 tsp. cornstarch", "2 tsp. self-rising flour", "1 c. water", "2 egg yolks", "rind of 1 lemon", "juice of 2 lemons", "1 Tbsp. butter"]
["Bring to a boil the sugar, cornstarch, self-rising flour and water.", "Cook until thick.", "Remove from heat and add egg yolks. Cook 2 minutes. Add rind of lemon and lemon juice.", "Cook 1 minute more and remove from heat.", "Add butter and spread.", "Enough filling for 3 layer cake."]
["sugar", "cornstarch", "flour", "water", "egg yolks", "lemons", "butter"]