Cookies may be fun to make but they’re even better to eat. And with thousands of variations spanning so many flavors and shapes, there’s a cookie out there for every taste. Creative bakers have made them into sandwiches and bars, coated them with ganache, filled them with jam and even stuffed them with candy. There’s really no end to the possibilities. F&W’s guide to these tiny desserts offers tons of holiday ideas, healthy recipes (yes, really) and lessons from the experts for perfecting your techniques.