How should I store opened puree pouches? You should refrigerate after opening and use within 24 hours. Related articles How should I store unopened puree pouches? Is there any added sugar in the Ready. Set. Food! Organic Purees? You're not supposed to shake breast milk because it will lose its nutrients. Why do you recommend shaking it? Is Ready. Set. Food! a treatment for existing food allergies? How much of each allergen is included in the Ready. Set. Food! Organic Puree pouches? Was this article helpful? Yes No