Cookie crumbs are small pieces or fragments that result from breaking or crumbling cookies. They can be created during the baking process or when cookies are handled, stored, or eaten. Cookie crumbs are often used as a topping or ingredient in various desserts, adding texture and flavor. In baking, cookie crumbs can be combined with ingredients like butter to create crusts for pies and cheesecakes. They can also be sprinkled over ice cream or used in recipes for desserts such as trifles or cheesecakes. Cookie crumbs are versatile and can enhance the presentation and taste of many sweet dishes.