When you feel like being naughty this is the way to do it! We were introduced to Cookie Monster Sundaes by our dear friends the Yosts. Since then, they have become one of our favorite desserts! Using your favorite cookie recipe, put some in a glass dish and bake it. I like it still rather gooey. Pull it out of the oven and put a couple scoops of ice cream on top. Oh, delicious!!!