Brownie Frosting - cooking recipe

Ingredients

1/2 c. butter or margarine (1 stick)
2 Tbsp. dark cocoa
1/4 c. milk
3 1/2 c. powdered sugar
1 tsp. vanilla

Preparation

In a saucepan, combine the butter, cocoa and milk.
Heat to boiling, stirring.
Mix in powdered sugar and vanilla until frosting is smooth.
Pour warm frosting over brownies as soon as you take them out of the oven.
Cool.