Coke Cake Frosting - cooking recipe

Ingredients

1/2 c. butter or margarine
6 Tbsp. Coke
1/2 tsp. vanilla
3 Tbsp. cocoa
1 box powdered sugar

Preparation

Boil butter, cocoa and Coke; remove from heat.
Add sugar and vanilla.
Beat well; if a little stiff, add a little water.