- 1/2 cup butter
- 1/2 teaspoon salt
- 12 cups sifted confectioners' sugar
- 5 egg whites
- 1/4 cup heavy whipping cream
- 2 teaspoons vanilla extract
- Cream butter or margarine. Add salt and part of the sugar gradually, blending after each addition. Add remaining sugar, alternately with the egg whites first, then with the cream; beat after each addition. Beat after each addition until smooth. Add vanilla, and blend.