Creme de Menthe Brownies - a Family Tradition

I have been asked to bring these to holidays, parties and picnics for over 30 years.  Enjoy!

1 box family size brownies (along with ingredients required on box)

1/2 cup + 6 tablespoons butter, softened

2 cups powered sugar

2 Tablespoons creme de menthe (can use real or syrup kind found in grocery stores)

1/2 cup semi-sweet chocolate chips

Bake brownies in 13 X 9 inch pas as directed.  Cool.

Mix 1/2 cup butter, powdered sugar and creme de menthe until well blended. Spread on brownies.  Refrigerate.

Melt the choc chips, being careful not to overheat (I find the microwave on medium power works best.)  Immediately mix in the butter till melted.  Carefully spoon over the brownies, tilting the pan to completely cover the mint mixture.  Cool before cutting.