Bananas Frosting
["1/4 c. (1/2 stick) butter or margarine, softened", "1/2 c. mashed ripe bananas", "1 tsp. lemon juice", "1 lb. confectioners sugar, sifted (about 4 c.)"]
["Cream butter until fluffy.", "Stir bananas and lemon juice; blend well.", "Gradually beat in confectioners sugar until frosting is of spreading consistency."]
["butter", "mashed ripe bananas", "lemon juice", "confectioners sugar"]