Fudge Icing - cooking recipe

Ingredients

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

Preparation

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.