Brownie Frosting - cooking recipe

Ingredients

3 Tbsp. butter, softened
3 Tbsp. cocoa
1 Tbsp. vanilla
1 c. powdered sugar
1 to 2 Tbsp. milk

Preparation

Blend butter, cocoa and vanilla in small bowl. Add sugar and 1 tablespoon of the milk. Gradually beat in rest of milk, possibly adding more until of frosting consistency. Spread over cooled brownies.