Six-Layer Brownie Bars
To prevent burnt topping, I suggest that you should cover the pan for the first 20 minutes, and then let it cook uncovered for 15 minutes. It works for 7 layer cookies, it should work for this. By the way, you could make this into a 7 layer cookie by using only a stick of melted butter and the chocolate to moisten the brownie mix before putting on a greased, lined baking pan. After cooling, peel off the liner, and use a cutting board to cut it upside down. You can then put them on a plate right side up for serving.