Fudge Frosting 1 stick butter or margarine 3 tablespoons cocoa 1/3 cup milk 1 box powdered sugar 1 teaspoon vanilla 1 cup nuts, chopped (optional) In a saucepan, combine butter, cocoa, and milk; bring to a boil. Add sugar and vanilla; beat well until smooth. Note: If frosting becomes too stiff, add 1 drop of water at a time to desired consistency. Frost cake and sprinkle on nuts, if desired.