Cornmeal Shelf Life at Life

Cornmeal Shelf Life. With good storage conditions, an unopened pack of regular cornmeal can stay for the next few months up to a year in the pantry. In an unopened bag or packet, cornmeal will last for up to one year.

However, it does actually have a long shelf life, too. For example corn stored at 20 moisture and 50 degrees has an ast of about. Kept in an airtight container in the fridge, and assuming it was fresh in the store, i'd give it a good 6 months or longer.

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To maximize the shelf life of regular cornmeal once the package is opened, transfer cornmeal to a covered airtight container or place original cornmeal bag in a resealable plastic freezer bag. Other than that, you can just put them openly in a dry place for 1 week and use them whenever you want. If it is stored in an airtight container in the freezer, it can remain for two or three years. But i seldom have my cornmeal around long enough for it to think about going stale, so i'm not necessarily a good judge.