What Is the Shelf Life of Cake Mixes?


Quick Answer

If stored properly, the shelf life of cake mix is four to five months after its "best before" date. How long a mix lasts before expiring depends highly on how it is stored.

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Full Answer

The date printed on the box is the best-by date and not an expiration date. Cake mix that is stored unopened in a cool, dry environment does not need to be used by its best before date. However, if the mix is stored in a humid environment, at high altitudes, near heat sources or accidentally gets wet, it should be used promptly and prior to the printed "best before" date on the package.

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