Dark Chocolate Frosting - cooking recipe

Ingredients

1/2 c. butter or margarine
3 c. 10x sugar
1/2 c. dry cocoa
6 Tbsp. milk
1 tsp. vanilla

Preparation

Microwave butter until melted.
Add remaining ingredients. Stir and microwave, stirring everything 30 to 40 seconds, until frosting is smooth and dark chocolate color.
Spread on cooled cake.