Repurpose An Old Cookie Sheet Into A Handy Kitchen Organizer You'll Use Every Day Jefecarp/Shutterstock Thanks to their versatility, most baking sheets see a lot of use in a high-traffic kitchen. Unfortunately, even the sturdiest cookie trays don't last forever, but they can feel unwieldy and cumbersome to discard. However, you may not need to. Instead, you can repurpose your old baking sheet into a chic or fun magnet board that can serve as functional storage in your kitchen.