And typically, an apple crisp has oats in the topping that adds a little crunch. Often confused with a crumble, this easy-to-make deep-dish dessert has apple filling with a nubby, streusel-like topping. Our 10 Best Apple Crisp Recipes of All Time Apple crisp is the perfect dessert for when you want the warm and comforting flavors of an apple pie, but don't want to put in the effort to make one.