The USDA’s Food Safety and Inspection Service recommends that, for freshness and quality, an opened can of dry cereal mix should be consumed within 1 month if pantry stored after opening. In addition, the cereal should be discarded after its expiration date.(1)
Reference:
- FoodKeeper App. Updated 26 April 2019. Accessed on 14 September 2022 from https://www.foodsafety.gov/keep-food-safe/foodkeeper-app