Foamy Dessert Sauce - cooking recipe

Ingredients

1 cup butter
2 cups confectioners' sugar
1/3 cup sherry wine
2 egg whites, unbeaten
1/4 cup boiling water

Preparation

Cream butter; beat in remaining ingredients gradually until very light and smooth.
Place bowl in hot water and whisk for about 2 minutes, or until sauce is frothy and foaming.