- 1/2 cup shortening
- 1/2 cup margarine, softened
- 1 cup white sugar
- 3/4 cup milk
- Pour milk into a saucepan, and bring to just a simmer. Be careful, if it starts to boil, it will quickly boil over.
- Meanwhile, combine the shortening, margarine and sugar in a large bowl, and beat with an electric mixer until light. When the milk is heated, gradually drizzle in the hot milk, while continuing to whip until light and fluffy.