Vanilla frosting

AWESOME frosting--Doesn't harden well, but tastes good.  HOWEVER, for an even better frosting recipe click here!

Ingredients
* 4 cups confectioners' sugar
* 1 cup shortening
* 2 egg whites
* 1/2 teaspoon salt
* 2 teaspoons vanilla extract
* 2 1/2 tablespoons cake flour
* 1/4 cup low-fat milk
* 2 drops any color food coloring (optional)

Directions

1. In a large bowl, combine the confectioners' sugar, shortening, egg whites, salt, vanilla, flour and milk. Beat with an electric mixer, gradually increasing to high speed, until light, fluffy and smooth, about 5 minutes. Stir in desired amount of food coloring.