Frosting (Paulines) 2 tablespoons cornstarch 1 cup mile Combine in saucepan - cook until thick. Set aside & let cool completely. 1/2 cup Crisco shortening 1/2 cup margarine 1 cup sugar 2 tablespoons vanilla (or other flavoring) Mix together with above ingredients & beat with mixer (high speed) until smooth. May be colored w/any color food coloring.