Does Cake Mix Go Bad? How Long Does It Last?

logo by Editorial Staff | Updated on August 2nd, 2022

Is it possible for the cake mix to go bad? It is quite simple to store cake mix properly. Here’s the best method to determining if a cake mix has gone bad, as well as storage advice!

If you’ve just pulled a half-empty bag of cake mix from the kitchen cupboard and are now wondering:

round Happy Birthday cake with lighted candles

Has something gone wrong? How long is this supposed to last?

Then you’ve arrived at the correct location.

In this article, we’ll discuss cake mix, including how to store it, how long it lasts, and determine if it’s gone bad.

The cake mix will keep for a few months after its best date if stored in a cool, dry location. Furthermore, opening your bag will not affect how quickly it degrades.

What is the shelf life of cake mix?

The cake mix has a shelf life of around 4-5 months after the ‘best before date is marked.

This, however, is largely dependent on the sort of cake mix used. A dry cake mix will last longer, but a moist cake mix may only last a month.

Furthermore, it might last longer depending on how you keep the cake mix. Poor storing procedures can dramatically reduce the shelf life of cake mix. On the other hand, keeping the cake mix at controlled temperatures boosts its longevity.

However, it is crucial to remember that baking mixes typically contain a ‘best before date’ marking rather than an expiration date. With this distinction, you can safely utilize a product that has passed its expiration date. However, the duration should not be more than seven months, and the cake mix should be stored in a refrigerator to keep germs at bay.

The chart below depicts the shelf life of cake mix under various conditions:

Homemade cake mix6-7 daysUp to 3 months
Store-bought cake mix4-5 monthsUp to 7 months after printed dates
Opened cake mix3-4 monthsUp to 5 months
Unopened cake mix4-5 monthsUp to 7 months after the printed date

How Long Will Cake Mix Last in the Pantry?

The cake Mix should be stored in a cold, dry environment. Store it in a cupboard or cabinet away from heat sources to keep its freshness.

Optimal by date + 4-5 months: The best time to utilize Cake Mix is after the best-by date plus 4-5 months. The leavening chemicals in the mixture will keep the baking quality high.

After 5 months: An unopened Cake Mix box can be stored in the pantry for 1-2 years. The issue is that the Cake Mix will no longer be as fluffy and tasty as it used to be. Unless there is mold or bacteria present, it will not make you sick.

The easiest way to increase the shelf life of Cake Mix is to keep it in the pantry or cupboard.

How Long Can Cake Mix Be Stored in the Fridge?

It is not possible to keep Cake Mix in the refrigerator. Cake mix is a dry component that will not be kept in the fridge unless mixed into a batter.

The shelf life of cake mix is not extended by storing it in the refrigerator. Condensation from refrigeration activates the active components of the leavening agents. Moisture will hinder your cake from rising, making it thick and unappealing.

The cake batter can be kept in the refrigerator. Prepare the cake batter according to the package directions. You may store the cake batter, including the bowl, in the refrigerator for a few days. Wrap with plastic wrap or place in a sealed storage bag. Before putting it in a pan and baking it, give it another good stir.

How Long Can Cake Mix Be Kept in the Freezer?

The cake mix should not be frozen because it should not be refrigerated. You may turn the mixture into a batter and freeze it.

Cake Mix: Freezing cake mix does not enhance its shelf life. The freezing will render the mixture useless.

Batter: Freezing cake batter can help you keep it fresh for up to three months. They may be frozen in a muffin pan or quart-size freezer bags.

The pantry is the ideal place to keep Cake Mix for quick use. The cake Mix should not be refrigerated or frozen.

How to Tell If Your Cake Mix Is bad

Regarding unopened cake mixes, the packaging is a barrier against moisture, germs, and air.

As a result, you should inspect it for any flaws, such as tears or holes.

Proceed with caution if you discover any issues with the seal surrounding your cake mix.

Check for mold and insects in opened cake mixes or cake mixes with damaged packing. You should also look for clumps, indicating moisture in the cake mix. A strange, unpleasant, or musty odor is also a red flag.

It should be discarded if your cake mix displays any of these symptoms.

The indicators above, however, are for cake mix that has gone bad. It’s more probable that your cake mix is merely old and decreasing in quality than terrible. More on it in a moment.

The main point here is that you should utilize your cake mix as soon as possible once it has passed its best before date. That’s because baking mixes contain leavening agents like baking soda, which lose potency over time, resulting in a flat cake!

It’s nearly hard to detect whether the leavening chemicals in your cake mix are old, so you’re better off getting a new box.

The dangers of eating outdated cake mix

Someone who consumes cakes produced from an old cake mix can likely develop anaphylactic shock.

People who are allergic to mold and fungus are more likely to develop the illness. Additionally, the problem may develop if the cake mix was not originally stored in an unbleached wax packaging or foil. It is important to remember that the shelf-life of the cake mix does not always indicate its legitimacy.

A cake mix well inside its expiration date may include bacteria and fungal spores. It is lethal to persons who are allergic to fungi and germs. Cake mix, on the other hand, that is two years over its expiration date and yet free of mold spores, is okay to use. To reduce the danger of deadly diseases, carefully inspect the cake mix for the presence of mold before using it.

Anaphylaxis is an immunologic reaction that happens when persons who are allergic to certain chemicals come into touch with them. The response is lethal because it causes deadly respiratory and cardiac arrests. Molds are dangerous and may kill swiftly. Even if you are not allergic to mold, it is critical to discard molded cake mixes. It will assist you in remaining safe.

Is it possible to become sick from eating raw cake mix?

Yes, eating uncooked cake mix may make you sick. The same is true for uncooked dough. It is possible to become unwell, and it is preferable to avoid it entirely.

Stealing a taste might be enticing, but it can be dangerous, especially if any of the components have soured.

Raw cake mix and even raw flour may not appear harmful at first glance, but they can be infected with salmonella and E.coli, to name a few of the germs that might make you very sick.

When exposed to high temperatures during baking, all of these are destroyed. Consume raw cake mix or uncooked cake dough at your own risk. If you want the flavor, buy or create edible cookie dough that can be eaten uncooked.

How to store Cake Mix

When you leave the grocery shop, store your cake mix in a cold, dry area. Consider a cupboard or a pantry.

The trick is to keep your cake mix away from light and heat sources, which might cause it to spoil prematurely.

Moisture is another nemesis of cake mixes. It harbors bacteria and causes clumping; either way, your cake mix must be discarded. As a result, to keep your open cake mix sealed, store it in an airtight container in the pantry.

Is it possible to freeze the cake mix?

Cake mixes have a rather long shelf life, so there’s little reason to freeze them. The cake mix is also unlikely to freeze properly.

The leavener in the cake mix may not rise after being frozen and thawed, or your cake may fall more readily.

If you wish to save the cake mix for a later date, bake the cake first and then freeze the cake. The cake will last longer in the freezer than in the cake mix.

What Is the Best Way to Freeze Cake Mix?

Cake mix should never be placed in the freezer. Because it is a dry substance, it must be kept in a dry atmosphere.

Cake batter created from Cake Mix may be frozen. To begin, make the batter according to the package directions. Pour the batter into a storage bag, remove air, and cover tightly to freeze the entire batch. The batter may be frozen for up to 3 months.

How Do You Thaw a Cake Mix?

Cake Mix cannot be thawed since it does not freeze.

There is no mechanism for freezing or thawing cake mix.

Cake batter: Thaw cake batter made from a cake mix in the refrigerator. Before baking, toss it a couple of times once it has thawed. When cooking, you may also add a little new batter to help your mix rise.

Using an Old Cake Mix

A leavening agent, such as baking powder or baking soda, is frequently used in the dry mix. These are in charge of expanding the dough’s volume.

Unfortunately, the efficacy of both baking powder and baking soda diminishes with time. So, while a five-year-old cake mix may be absolutely fine to use, the cake will most likely be flat.

Reintroduce extra baking powder or soda.

Here’s how it works:

  1. Check if your recipe calls for baking powder or soda (sodium bicarbonate). In most circumstances, the former is correct.
  2. Determine the minimum quantity required. Find a cake recipe comparable in size and texture to the one you want to make with your mix that uses the same raising agent. Then, see how much raising agent is called for in the recipe. Popular DIY cake mixes, such as this one, call for 1 tablespoon (3 teaspoons) of baking powder per 4 cups of batter. You can also use that percentage.
  3. To the dry mix, add the baking soda or powder. Use one-fourth of the quantity if your mix is more than 6 months old. If it’s more than a year, use half the amount. Is it two years or more? Use three-fourths or even the entire amount (if it’s been “expired” for three years or more). The more raising agent we use, the older the blend.

Because every cake mix is somewhat different, I cannot promise that this approach will work precisely as you want it to. Going with it, on the other hand, should help a lot.

If your cake mix is more than 4 – 5 months old, don’t use it for a culinary job that requires perfection, such as a birthday cake or a rhubarb cake that you only make once or twice a year. Instead, use it in a dish you planned to try out over the weekend, so if it doesn’t turn out well, it’s not a huge issue.

Is it possible to prepare a cake mix at home?

Making cake mix at home is straightforward because most components are easily available.

Furthermore, you won’t have to worry about the nutritional value because you can count the calories from each possible item.

It’s obvious to any baker or cooks that cooking from scratch brings out the best flavors in the world.

Advantages of homemade cake mix

  • It’s inexpensive since all of the components are already on hand.
  • You should keep an eye on your calorie intake since it is nutritionally important.
  • It’s healthful since the components don’t include any dangerous additives.
  • Convenience in that homemade cake mixes will taste just like store-bought cake mixes if all of the instructions are followed exactly.
  • There isn’t a lot of sugar, so it’s healthy and tasty. They also deliver that buttery flavor and an avalanche of bright flavor on your tongue.

The event also establishes one choice in the dispute between store-bought cake mix and handmade cake mix.


Cake mix storage is straightforward, as you’ve discovered.

Store your cake mix in the cupboard, move it to an airtight container once opened, and consume it before the expiration date.


Editorial Staff

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