Delish & Fluffy Chocolate Frosting - cooking recipe

Ingredients

3 egg whites
1 1/2 - 2 cups powdered sugar
3/4 cup butter
1/3 cup cocoa
1/2 teaspoon vanilla

Preparation

Beat egg whites well until they are fluffy and gradually add the powdered sugar.
Combine the next 3 ingredients in separate bowl and fold carefully into the egg white mixture.