Chocolate Fluff Icing - cooking recipe

Ingredients

4 tablespoons butter, softened
1 1/2 cups sifted icing sugar
1 teaspoon vanilla
3 ounces unsweetened chocolate, melted
1/4 teaspoon salt
2 egg whites

Preparation

In a bowl, cream butter; add 3/4 cup sugar, blend well. Add in vanilla, chocolate and salt.
Beat egg whites in a clean bowl until stiff but not dry. Add remaining 3/4 cup icing sugar (a small amount at a time), beating after each addition, until well blended. Beat until mixture forms stiff peaks.
Gently fold egg white mixture into chocolate mixture.
Makes enough icing for one 13' x 9\" cake.