Traditional recipes for apple squares often use plenty of trans fat–laden shortening in the crust. We replaced it with a mixture of canola oil and butter and swapped out half the all-purpose flour for whole-wheat pastry flour for a little fiber. They are best enjoyed slightly warm. Gently reheat any leftovers in the oven or toaster oven to recrisp the crust. Download a FREE Cookbook with Our Best Fall Recipes!