Can cooked oatmeal go bad in the fridge?

In this brief article, we are going to answer the question “Can cooked oatmeal go bad in the fridge?”

Can cooked oatmeal go bad in the fridge?

Yes, cooked oatmeal can go bad in the fridge. The maximum it can be stored in the fridge is 4-5 days.

It’s possible for cooked oatmeal to go bad if it’s left out in the open for more than a few hours. Uncooked, dried oats will spoil in 2-3 years; however, their quality will deteriorate if not utilized by the expiration date on the box.

Refrigerate cooked oats in an airtight container. In this manner, spoilage and bacterial development may be avoided. Cooked oats may be securely kept in the refrigerator for up to 5 days. Additionally, cooked oatmeal may be frozen for up to 3 months.

Can Cooked Oatmeal Go Bad?

After cooking, oatmeal may become bad. After two hours, unrefrigerated cooked oatmeal begins to spoil. Bacteria will make it go bad after two hours, so it should be thrown away.

Bacteria will make it go bad after two hours, so it should be thrown away.

After boiling the oats, consume them immediately or keep them in the refrigerator to prevent spoilage. Allow cooked oatmeal to cool for around 20 to 40 minutes before storing it in the refrigerator.

Cooked oats will keep in the refrigerator for approximately five to seven days.

The majority of specialists advise against eating oatmeal that has been refrigerated for more than five days. After a few days in the fridge, it’s typical for the cooked oats to become more liquid.

After cooking oatmeal and allowing it to rest for more than two hours, it should be thrown away since bacterial development may rapidly cause the food to deteriorate. After two hours, there is no way to save it, since placing it in the refrigerator is not suggested at this stage.

How to Store Cooked Oatmeal

It is quite simple to cook more oatmeal than you can eat in one sitting, and you would not want to squander any delicious oatmeal by discarding the leftovers.

There are many excellent methods to preserve cooked oats for later consumption, and you can even double the recipe to save some for weekday meals.

If stored correctly, cooked oatmeal may be preserved for up to 5 days, allowing you to consume them in the morning.

There are three distinct methods for storing cooked oats, each of which is ideal for a certain storage time period:


The refrigerator is the simplest way to preserve oatmeal, particularly if you want to use it within the next several days. Separate the oats into individual servings and store them in the refrigerator for up to 5 days.


Freezing oatmeal is a good option if you are not planning to use it in the next several days and want to prolong the shelf life even more. Oatmeal may be frozen for up to three months.


If you’re unable to store your oatmeal in the refrigerator or freezer, you may dehydrate it in a dehydrator. Once dried, the oatmeal may be stored for three months in a cold, dry, and dark place. To ensure the product retains its best quality, it should be stored in an airtight container.

Any of these ways will work perfectly for plain oatmeal, but keep in mind that the toppings will be added afterward. Certain toppings will not preserve as well as others and can affect the texture and taste of your oatmeal if kept together.

Is Oatmeal Perishable?

There are no precise criteria for determining if oatmeal is harmful or not. You will have to depend on your senses to determine if the oatmeal is still edible.

If the oatmeal seems to be off or discolored, or if it has an unusual odor or flavor, it is best to toss it. Examine the oats for evident indications of mold or if it has become soft.

If you’re about to discard any old oatmeal, you could always use it to make a body scrub.

Can you cook and reheat oatmeal?

Yes, you can prepare extra oatmeal and reheat it later. To save having to make oatmeal every day, many individuals choose to use pre-made oatmeal.

Make a big pot of oatmeal and store it in the fridge, then eat it every morning throughout the week.

You may reheat the oats in the microwave or on the stovetop and add any additional ingredients you choose.

Is it OK to eat leftover oatmeal?

Avoid eating oatmeal that has been sitting out all day. Oatmeal should be refrigerated for no more than 2 hours.

Allowing it to stay at room temperature for an extended period of time increases the danger of germs growing, which may result in foodborne diseases.

Other FAQs about Oatmeal  that you may be interested in.

Can oatmeal go bad in the fridge?

Can you eat oatmeal cold?

Does packaged oatmeal go bad?


In this brief article, we answered the question “Can cooked oatmeal go bad in the fridge?”