Frosting - cooking recipe

Ingredients

1 stick margarine
1 (1 lb.) box confectioners sugar
1/3 c. cocoa, sifted
1/2 c. milk
1 tsp. vanilla

Preparation

Combine ingredients in a bowl.
Beat until smooth.
Spread on cool cake.
Sets slowly.
You can set it in your refrigerator to rush it, if desired.