1 box, family-size fudge brownie mix, prepared according to box directions and cooled
3 cups powdered sugar
2 sticks butter, divided
A few tablespoons milk
1/2 teaspoon peppermint extract,
A few drops green food coloring
1 1/2 cup chocolate chips
Mix together powdered sugar, 1 stick softened butter a few tablespoons milk until frosting reaches desired consistency. Stir in peppermint and food coloring. Spread over cooled brownies. In the microwave, melt chocolate chips and the other stick of butter. Carefully drizzle and spread over brownies. Refrigerate until ready to serve.