Fudge Icing
["2 c. sugar", "2 heaping tbsp. cocoa", "1 stick butter", "enough evaporated milk to mix well", "1 box confectioners sugar, sifted", "1 tsp. vanilla", "2 c. cool whip"]
["Mix all ingredients excluding confectioners sugar and bring to a boil.", "Stir to prevent sticking.", "Remove from heat and add confectioners sugar.", "Add about 1/3 at a time, and use an electric mixer for beating.", "Add vanilla and continue mixing until mixture is of spreading consistency.", "Add chopped nuts if desired."]
["sugar", "cocoa", "butter", "milk", "confectioners sugar", "vanilla", "cool whip"]