1. For a fully no-bake version skip baking and chill the crust 30 minutes before filling; Use homemade whipped cream in place of whipped topping by whipping 1 cup cold heavy cream with 2 tbsp powdered sugar to stiff peaks; For cleaner slices freeze 20 minutes before cutting and wipe knife between cuts; Substitute gluten-free chocolate sandwich cookies to make it gluten-free