A "Cookie Swap" is a social event where participants gather to exchange homemade cookies. Each person bakes a batch of cookies and brings them to share with others. This allows everyone to sample a variety of flavors and recipes without having to bake multiple kinds themselves. During the event, cookies are typically displayed on a table, and participants can take turns selecting their favorites. It's a fun way to celebrate baking, share recipes, and enjoy treats with friends and family. Cookie swaps often take place during the holiday season, making them a festive tradition for many.