How long does Oatmeal last in the Fridge?

How long does Oatmeal Last in Fridge

Oatmeals aren’t for just older people nowadays. Oatmeal is a superfood and one of the most famous breakfast meals in the USA.

They are rich with a variety of nutrients and can be molded into so many dishes in so many different ways. 

You have made some for your breakfast, but you couldn’t finish all of it. And, if you are wondering will it stay good if you keep oatmeal in the fridge, or can you simply leave it outside.

It’s ok if you do not know all of this. We are here to answer all your questions regarding how different long types of oatmeal will last and how you can store them properly. 

Did you know: That Oatmeals are naturally gluten-free? It’s one of the reasons why oatmeal is so famous around the world.

How long do Oatmeal Last 

Oatmeals come in various forms. The shelf-life of each type varies from one another. 

So the first thing to consider is what type of oatmeal you have in your pantry or when purchasing new oatmeal packets from the store. 

There are 3 types of oats that are available in the market. The nutritional value of the three is pretty similar. The difference occurs in their cooking time and the texture of the oatmeal when it is prepared. 

The first type is steel-cut oats which are the least processed ones and can stay good for up to 3 to 5 years. The second type is rolled oats which last between 1 to 2 years. 

And the last type is the instant oats that you can find easily everywhere. 

They can last anywhere between 12 to 14 months if they are not flavored. The flavored instant oatmeal will only stay good for 6 to 9 months.

Quick Table 

Pantry Fridge
Uncooked OatmealSteel cut oats: 3 to 5 years, Rolled oats: 1 to 2 years, Instant oats: 1 year
Cooked Oatmeal2 hours 4 to 6 days
Oatmeal with milk2 hours5 days 

How long does Oatmeal last in the Fridge

The shelf-life of any type of oatmeal meal depends on where you store it. You must properly store oatmeal packets or the containers to ensure they stay of their best quality.

The fridge is one of the best places to store cooked oatmeal. Let’s see how long will cooked oatmeal and under kinds of oatmeal can last in the fridge.

Packed Quaker Oats Packet

How long does Cooked Oatmeal last in the Fridge

You should always remember to never leave cooked oatmeal outside for more than 2 hours at room temperature. There is a risk of bacteria growth due to so much direct exposure to the air. 

So your best way to prolong the life of your Oatmeal is to store them in the fridge. They can stay good for 4 to 6 days if you store them in good condition.

If you have a busy week coming ahead, you know you won’t get much time in the morning to prepare breakfast. You can prepare a batch for 5 to 6 days and store them in the fridge. 

As oats stay in good condition in the fridge for almost a week, you won’t miss your breakfast. 

How long do Oats with milk last in the Fridge

Oats prepared using milk should always be stored in the fridge Oats with milk should be left at room temperature for 2 hours. 

It’s riskier to leave oats with milk outside. This is because dairy products like milk are more prone to microbial contamination.

Oats with milk, such as overnight oats, can easily last around 5 days. 

Tip to remember: Store your oatmeals separately without topping them with fruits or nuts. They may become soggy. And if you eat oatmeal after a few days, the fruits on top may be bad for making your oatmeal inedible. 

Cooked Oatmeal

How to Store Oatmeals 

Storing oatmeals is not that difficult.

You can store all three types of oatmeals similarly, so that shouldn’t be a problem.

There are some ways of storing cooked oatmeals or oats with milk, but they are also simple. You need to remember some specific points and you will be good to go.

How can you store oatmeals in the pantry?

Uncooked oatmeals stay in good condition in the pantry if you follow some essential points. 

You should always store your oatmeals in dry and cool conditions. Any dark corner of your cupboard or someplace in your pantry would ultimately work. 

If you have opened the packet of oatmeal, then you should store it in an air-tight container. Any ceramic, glass, or steel container would work. 

Containers are best if you use oatmeal daily and always require them in bulk. 

You can transfer oatmeal from the packets in an air-tight container and use them the way you want without worrying about oatmeal going bad. 

For more information, look at the “Best Buy” date at the back of oatmeal packets. Depending on their “ Best Buy” date, you can store oatmeal from different packets. 

Just remember that the “ Best Buy” date determines the quality of oatmeal and has nothing to do with its safety. 

How can you store oatmeals in the fridge?

You should always store cooked oatmeals and oats with milk in the fridge to stay fresh for some longer. 

When storing cooked oatmeal, you should let them cool down completely before keeping them in the fridge. Don’t keep oatmeal out for more than 2 hours.

Next, transfer oatmeal to a jar or any air-tight container. Store your oats with milk in an air-tight container as well. 

Any ceramic, glass or stainless steel container would work completely fine.

How can you store oatmeals in the freezer?

Yes, you can indeed store your oatmeal in the freezer. Oatmeal will stay fresh and good to consume for about 3 months. 

You can store the required portion of oatmeals in various jars.

Just mark the dates of the preparation on each jar.

You can quickly thaw oatmeal stored in the freezer by keeping it in the fridge before consuming oatmeal. 

How to Tell if Oatmeal has gone bad?

Oatmeals dow last for a little longer. But they do eventually go bad. You need to remember some points to know if your oatmeal has gone bad.

If your oatmeal smells bad or sour, you should do a taste check. This is because oats have a sweet and nutty smell to them. If your oatmeal doesn’t taste the same, you shouldn’t consume it.

If mold or some fungi grows on top of your oatmeal, you know best to throw it out as soon as possible. 

Depending on its expiry date, you can store oatmeal from different packets and repurpose oatmeal into scrubs or face masks, as oatmeal works excellent for your skin.


We hope we have answered all your queries regarding how long oatmeals will last and how you can always correctly store them.

You can have to very day by storing oatmeal fridge beforehand and will not indulge in drinking junk food.

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