Healthy recipe : Aunt Mary's Vanilla Frosting recipe.

Ingredients
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.