New England Cake Icing
["1 c. sugar", "1/3 c. flour", "2 Tbsp. cocoa", "1 c. milk", "2 beaten egg yolks", "vanilla", "1/4 stick butter"]
["Blend sugar, flour and cocoa.", "Add milk and beaten egg yolks. Cook until thick.", "Add vanilla and butter.", "Beat smooth."]
["sugar", "flour", "cocoa", "milk", "egg yolks", "vanilla", "butter"]