Dehydrated tomato powder is a versatile base for sauce, paste, and more. Make great tasting spaghetti or pizza sauce or use it to thicken salsa and sauces without having to cook the sauce for hours. A delicious addition to your food storage staples. Shelf life estimates are based on industry studies from sources deemed reputable. Since Rainy Day Foods has no control over individual storage practices, they must disclaim any liability or warranty for particular results. Shelf Life: Should be stored in cool dark place, optimum condition is 60 degrees or less, for longer storage. Storing properly in our enameled cans and Super pail buckets, product may store 20 years. Bulk products need to be repackaged for long term storage.