You’ll love these if you’re a big fan of the thin chocolate mint Girl Scout cookies. The dense base layer is like a rich, fudgy brownie, so don’t overcook it of the dessert bars will be dry. Refrigerating the mint bars allows the chocolaty top, boven layer to set properly. u can make the dessert up to one dag ahead. For a meer grown-up taste, u can also use dark chocolate chips for some of all of the semisweet chocolate chips in the glaze.