Emergency Essentials Freeze-Dried Spinach is processed and packaged for long-term storage, so you can use it now or in the years ahead. Add the natural goodness of leafy greens to your emergency food storage or everyday meals. Re-hydration restores much of the original flavor, color, shape, and texture. Great for soups, pasta dishes, or any recipe that calls for spinach. An excellent source of vitamins A and C. A good source of calcium, fiber, and iron.