Let's be clear about one thing: If you want to eat a cookie, you should always eat a cookie. But when you bake a whole batch, you're going to eat about five in one sitting, right? If that's just not in the macros on certain days, enter: the single-serve cookie. Just enough ingredients to satisfy that sweet tooth without leaving leftovers for household members with sticky fingers, you know what I mean? Bake up one of these recipes for a sweet treat this weekend!