This is an easy chocolate shortbread recipe that can be made in just one bag with no washing up required. Simply put all-purpose flour, cocoa powder, sugar, and oil into a bag, mix, shape, and bake in the oven. The coconut oil helps the dough firm up easily and makes it easy to shape. Delicious whether rolled into balls or cut like icebox cookies, it's recommended for beginners and cooking with children. Enjoy the rich flavor and crispy texture.