Whipped-Chocolate Frosting
2 squares unsweetened chocolate
1/2 cup light cream
1 teaspoon vanilla
2 egg whites, beaten stiff
1 1/2 to 2 cups confectioners sugar
Cook chocolate and cream over boiling water until smooth; cool, add vanilla. Beat whites, add sugar and continue beating until stiff enough to cut. Combine the two mixtures, beat well.