Got an expired cake mix and wondering if it’s still an excellent enough come use? does cake mix ever before go bad?

The great news is, your mix is most likely perfectly fine to use.

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Even if it has actually expired a year or two years ago.

In this article, you will certainly learn whatever you need about storage, shelf life, and also expiration that cake mixes.

Let’s dive best in.

Cake mix bag

How long Does Cake Mix Last

Cake mixes come through a shelf life of about 6 month to a year, however you can safely use them for months (or also years) previous the best-by date on the label. Opening the package, presume you’re going to store the leftovers properly, doesn’t shorten the period.

The best-by date on the label isn’t an expiration date. It’s one estimate of exactly how long the cake base will retain top quality.

Here’s just how Duncan Hines puts that in your FAQ (DH):

Once this time duration has lapsed, we can no much longer ensure the the in its entirety experience that the product will certainly be what is needed.

In other words: the mix won’t walk off, yet the taste and also texture the the cake friend bake can not be the best.

Cake mix: date on label
Now the you understand you have the right to use one expired cake mix, the apparent question pops up.

How lengthy is cake mix great after the “expiration” date?

4 to 6 month after the best-by or best-before day on the brand is a pretty for sure bet, but your cakes have to turn out good for much longer. All you require is to add some baking flour or baking soda to make up for the raising agent that shed its potency.

Let’s talk about that.

Cake mix (unopened or opened)Best-by date + 4 – 6 months
Please keep in mind the period above is for best quality.

Cake batter ready for baking

Using Expired Cake Mix

The dried mix usually contains a leavening agent choose baking powder or baking soda. These are responsible for increasing the volume that the dough.

Unfortunately, both baking powder and baking soda lose potency end time. So while a five-year-old mix might be perfectly for sure to use, the cake will most most likely turn the end flat.

The fix?

You guessed it – adding an ext baking flour or soda earlier in.

Here’s how:

Check if her mix offers baking flour or baking soda (sodium bicarbonate). In many cases, it’s the former.Add the baking soda or flour to your dry mix. If your mix is 6+ month after that date, usage one-fourth the the amount. If it’s much more than a year, usage half. 2 years or more? usage three-fourths or even the totality amount (if it’s “expired” for prefer three years). The larger the mix, the more of the increasing agent we add.

I cannot guarantee this trick will certainly work specifically as friend would favor it to because every cake mix is slightly different. Yet going v it should assist a same bit.


If your cake mix is more than 4 – 5 months past its date, don’t use it because that a baking task that must turn the end perfectly, e.g., a date of birth cake or a rhubarb cake you make only once or double a year. Instead, usage it in a recipe you want to test out throughout the weekend, therefore if things go south, it’s not a huge deal.

Cake mix and also the ingredient needed

How to Tell If Cake Mix Is Bad?

Cake mix doesn’t damn it the way dairy does. It regularly can sit in the cabinet because that months or even years on finish without changing much.

Nevertheless, here’s what come look because that to phone call if her cake mix has actually gone bad:

Mold or other transforms in appearance. If moisture got inside the package, there would certainly be mold. If that’s the case, discard the entirety thing. Same thing if over there are other visible changes.Off or tart smell. one of two people is a good indicator that you need to discard the mix.The cake smells or tastes “funny.” If the thing you baked smells bad or tastes off, eliminate it.

If the dry mix looks and smells perfect fine, opportunities are it’s safe to use.

Now, if the mix is old, the worse that can realistically take place is a bunch that cupcakes or muffins that are flat (if you didn’t add the raising agent) or taste not as good as they used to. That’s why I currently said the it’s ideal to use old cake mix only when the stakes are low and also discarding the baked cake won’t be a huge issue.

Baked and decorated gingerbread cake

How To save Cake Mix

Cake mix (or cake base, as some bakeries speak to it) doesn’t require lot in terms of storage. All it needs is a cool and dry place (DH).

And through cool I typical that room temperature is good enough, as long as the doesn’t sit near any sources that heat. It’s the same similar to storing sprinkles.

The same guidelines use to other made-for-you mixes, like muffin mix, pancake mix, or brownie mix.

In short, a room in the pantry or kitchen is perfect fine.

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Once you open up the package, store the leftovers well sealed. Protecting the dried mix from moisture will avoid mold growth, and an outcome in it remaining okay to usage as lengthy as possible.


If you plan on storing the leftover cake mix because that a lengthy period, pour it into an airtight container come make certain it stays dry.