Shelf Life of
Cake Mix

How Long Does Cake Mix Last?

How Long Does Cake Mix Last?

Shelf Life of Cake Mix

How long does cake mix last? The shelf life of cake mix depends on the best before date and how the cake mix is stored. Cake mix, or “party in a box”, whips up the quickest and easiest version of the most popular birthday presentation ever. Whatever the occasion, a cake always adds happiness! So, how long does cake mix last? When properly stored, the shelf life of cake mix past its best before date is …

(Unopened) Pantry
Past Printed Date
Cake Mix lasts for 4-5 Months
Muffin Mix lasts for 4-5 Months
Brownie Mix lasts for 4-5 Months


Of course, shelf life of cake mix will be shortened if the cake mix is not stored properly. But remember, cake mix, like a lot of other baking products, usually has a best before date and not a use by date or expiration date. Because of this distinction, you may safely use “expired cake mix” for your baking needs after the best before date has lapsed according to the table above.

How to tell if cake mix is bad, rotten or spoiled?

Practicing proper hygiene and food safety discipline will help prevent food borne illness. When cake mix gets wet (by adding eggs, oil and water), the leavening agent contained in the mix gives off carbon dioxide which makes the cake rise. If a cake mix has gone bad the leavening agent will have expired and will not work as well as it should, which means that the resulting cake will not rise as high as it would have prior to the eat by date.

How to store cake mix to extend its shelf life?

The best way to store cake mix is in its original unopened container in a cool dry pantry, at a constant temperature and away from heat sources. Cake mix will have a shorter shelf life in a humid environment or at high altitudes. Humid environments affect many different foods while high altitudes seem to especially pick on baked goods. Proper food storage is the key to extending the expiration date of food.

How long is cake mix good for when prepared in a dish?

How long does cake mix last?That depends.How long do eggs last? In general, any dish lasts only as long as its quickest expiring ingredient. To find out how long other ingredients are good for, please visit the Dairy, Drinks, Fruits, Grains, Proteins, Vegetables and Other sections of Eat By Date or search below!

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What are our shelf life resources?

In answering how long does cake mix last, our content incorporates research from multiple resources, including the United States Department of Agriculture and the United States Food & Drug Administration. In addition, we scoured the web for informative articles and reports related to food safety, food storage and the shelf life of cake mix.

*An important note about expiration dates …

Although the cake mix shelf life information on Eat By Date is generally reliable, please remember that individual cases will vary and that our advice should only be taken as an opinion. So, how long will food last? Let’s find out!