Andes Mint Brownies If you love the combination of rich chocolate and cool mint, these Andes Mint Brownies are about to become one of your favorite desserts. They start with a homemade fudgy brownie that's packed with chocolate flavor, then they're topped with a smooth mint buttercream frosting and finished with chopped Andes Mints for the perfect bakery-style treat. These brownies are a must-have for Christmas cookie trays, St. Patrick's Day parties, holiday dessert tables, bake sales, or ...