This has been my favorite Brownie recipe for years, I just couldn't find it. I always double it or they won't last a day at my house. I use closer to a heaping cup flour for the doubled recipe instead of a cup and a third, bake them in a 9 x 13 pan for just the minimum 25 min and they come or really chewy, gooey. For a change I sometimes use peanut butter or butterscotch chips for all or part of the second bag that gets stirred in at the end, but always chocolate for the melted ones. Try chocolove brand chips, they're amazing.