If your freezer makes ice, then your ice cube tray is probably sitting empty, frozen and alone, in the freezer door, or abandoned in the back of a cabinet somewhere. Go and get it right this instant, because the ice cube tray is a brilliant cook's tool, and can — nay, should! — be used for freezing many other things besides ice. Individual storage areas? Check. Small portions? Check. Totally freezer-friendly? Obviously. Here are 15 foods perfectly suited for freezing in an ice cube tray.