Emergency Essentials Freeze-Dried Potato Dices are processed and packaged for long-term storage, so you can use them now or in the years ahead. A versatile vegetable for your emergency food storage. Re-hydration restores much of the original flavor, color, shape, and texture. Great for soups, stews, casseroles—any recipe that calls for potatoes. An excellent source of vitamin C and a good source of fiber.