Easy Milk Chocolate Frosting - Great for Brownies

This is the frosting recipe Mom uses to top her brownies. I remember having brownies a lot when we were growing up and they either had this frosting on top or sprinkled powdered sugar. I love this frosting. It is not a thick or heavy frosting.

3 T. butter or margarine

2 T. coca

1 and 1/2 C. powdered sugar

2 T. milk

1 t. vanilla

Melt butter or margarine in medium saucepan. Stir in cocoa until dissolved. Add powdered sugar, milk and vanilla. Stir until smooth. Add more milk if needed. Frost brownies and let set until firm. Frosts one 13x9 pan.