Aunt Mary's Vanilla Frosting

Ingridients

1/2 cup butter, softened

1/2 cup shortening

2/3 cup confectioners' sugar

1/2 cup milk

5 tablespoons all-purpose flour

1 teaspoon vanilla extract

Directions

Combine butter or margarine, shortening, confectioners' sugar, flour, vanilla, and milk in a mixing bowl. Whip all ingredients until fluffy.