1 pkg. Duncan Hines brownie mix
1/2 c. plus 6 tbsp. butter
2 c. powdered sugar
2 tbsp. creme de menthe (white)
6 oz. chocolate chips

Preheat oven to 350 degrees. Follow instructions on box for brownies and bake only 15 minutes in a 11 x 16 inch jelly roll pan. Refrigerate. Combine 1/2 cup softened butter with powdered sugar and creme de menthe. Ice brownies; refrigerate. Melt 6 tablespoons butter and chocolate chips together. Mix thoroughly. Dribble or spread over iced brownies. Refrigerate; cut into small squares.