Does Brownie Mix Go Bad? – Is It Safe To Use Expired Brownie Mix?

Does Brownie Mix Go Bad: For all those who don’t know, brownie mixes are generally a sugary, semi-solid readymade mix of chocolate, flour, and ganache present over the counter to be mixed as they are, in any brownie recipe.

If you have clicked on this article you must have come across an old box of brownie mix somewhere inside your kitchen pantry and must be wondering whether you can still use it in your brownie recipes or whether brownie mixes expire.

Well, stay tuned to this article and find out all the necessary information on does brownie mix goes bag, to deal with storage methods, spoilage signs, and shelf life of brownie mix. 

Does Brownie Mix Go Bad

Does Brownie Mix Go Bad?

Not really, brownie mixes do have a pretty long shelf life if stored properly in an airtight container in a cool and dry place. Generally, brownie mixes don’t go bad in a way that they get extremely unsafe for your body, but also they don’t last forever. The authentic quality of the brownie mixes can degrade which will not give them the right texture or taste as before.

The ingredients used to make brownie mixes are flour, chocolate, salt, sugar, and a leavening agent like baking soda, sometimes sodium bicarbonate or baking powder which is a raising agent that doesn’t have the potential to remain good for long. So if this raising agent has turned bad then your brownie will have a super flat and soggy texture which will be of no use and hence you will have to throw it out.

Do Check: Can Brownies Go Bad

How Long Does Brownie Mix Last After Expiration Date?

We don’t recommend this, but you can still use brownie mixes in low quantities for more than 3 to 6 months after the expiration date mentioned on the label. Once this time span is passed, the raising agent or baking powder will lose its potency totally and the brownies will start having a wet and sluggish texture inside rather than being soft and moist. Now you must also be wondering how to store brownie mix properly. Check the below module for a deep idea.

Does Brownie Mix Go Bad

How To Store Brownie Mix?

To store brownie mixes well, it is always recommended to store your unopened brownie mix in a cool and dry storage option. A kitchen cupboard in your pantry away from direct sunlight or oven heat would be just enough.

Make sure you don’t keep the bottle of brownie mix too close to the oven while baking, just takes the precise amount of the mix that you need for that particular recipe and keep the rest back in a cool place and cover immediately.

Another good option for storing brownie mixes is to keep them inside an air-tight container and freeze them. If you have a query like Can Freeze Brownies? click on the link and clear it. If you use freeze-safe Ziploc bags, make sure the bags have been properly squeezed out of the air and then kept in the freezer so that your brownie mixes are not only unexposed to air but also stay moist from within.

Moisture is also responsible for degrading your brownie mixes, so it is best to be kept in their original steel container for as long as possible with dish towels to soak up the excess moisture due to condensation.

Is It Safe To Use Expired Brownie Mix?

Technically yes, you can have expired brownie mix if it is only three to six months past the date mentioned on the label. Though the date mentioned is not the expiration date but is basically the best use-by or best-before date which is an estimated time for the brownie mix to retain its quality.

Now, you must be wondering how to revive expired brownie mix in a way that they don’t harm much. Since the leavening agent is the one to lose its potency, adding a bit of baking powder as the bonding agent to make up for the lost potency would be a great idea to revive your brownie mix back. Let’s see how you can do this:

  • Firstly, check if your brownie mix has baking powder, baking soda, or sodium carbonate as its evening agent.
  • Next, find a brownie recipe that is similar to your mix, has a similar size and texture, and the brownie using the same raising agent.
  • Next, you need to measure and add the exact quantity of raising agent that has been used in that recipe, and now once your brownie mix is ready you can use it for up to 12 to 18 months straight. Even though we cannot guarantee the results, your brownie mix will have its lost potency back partially if not fully.

If you do not have any raising agents available, another great option for reviving old brownies with their original flavor is frosting them. You can use premade frosting or chocolate ganache to frost your brownies and boost up the lost flavor and consistency in them.

What Happens If You Use Expired Brownie Mix?

If your brownie mix has passed years after the expiration date, then it is strictly recommended to throw them out and replace them with fresh ones, otherwise, it may result in food poisoning and health issues like fungal infection inside the stomach. People with high blood pressure and lower metabolism are strictly recommended to stay away from brownie mixes that are too old.

Related Posts: 

How to Tell if Brownie Mix is Bad?

Honestly, it is slightly difficult to tell if the brownie mix has gone bad or not. Still, you can look at the below-mentioned factors before adding them to your next batch of brownies:


Brownies generally have a neutral smell or can give out a slight hint of sweet aroma due to the high concentration of sugar as one of its main ingredients. However, its smell might be slightly changed if they are kept for long periods of time passed the expiry date. The raising agent of baking powder or sodium bicarbonate may lose its potency and get decomposed with time will distinctively give out a sour or pungent smell.


When we combine brownie mixes with other ingredients like eggs, water, and flour, normally they are supposed to mix perfectly and give out a fluffy and thick consistency. That actually happens due to the presence of baking soda. If the baking soda has already gone bad then your brownie mix will neither properly mix up with other ingredients nor will it give a nice consistency. Instead, you may see a runny and soggy texture.


While adding your brownie mix with other ingredients of your brownie if you see there is a slight change in the appearance due to mold and mildew, it is also another clear indication that your brownie mix has turned bad.

FAQs on Do Brownie Mix Go Bad?

1. How long do brownie mix brownies last?

Brownie mixes can last for about 3 to 6 months more from the dates mentioned on the labels and if you happen to revive the bonding agent by adding a higher potency baking powder or sodium bicarbonate or frosting the mix with chocolate ganache, then they can last for more 12 to 18 months.

2. Do brownies really expire?

Technically brownies don’t really expire that bad with time, but their quality, texture, and taste degrade because of a leaving agent like baking powder that binds its other ingredients together, loses its potency with time, and makes the brownie’s outer texture sloggy.


So that was all about brownie mixes and how to revive expired brownie mix to be used in current recipes. Brownie mixes lose their authentic taste and freshness with time. If it has passed years, then it is best recommended to throw them out immediately.

If you are a fan of brownie mixes and are worried about does brownie mix go bad? Then follow all the instructions mentioned in this article and also don’t waste a single bit of them. Well, that’s it for today, we will meet you next time with one more food item on

Leave a Comment