How Long Do Mashed Potatoes Last In The Refrigerator: Complete Guide

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Mashed potatoes are a classic comfort food that can be enjoyed in many different ways. They can be simple, with just butter and milk, or they can be loaded with extras like cheese, bacon, and sour cream. No matter how you like your mashed potatoes, they’re always a delicious treat. They are easy to prepare and can be stored in the fridge for several days. 


In this article, we will discuss how long mashed potatoes last in the refrigerator and how to store them properly. We will also provide some tips on how to make mashed potatoes last longer. With this information, you’ll be able to enjoy delicious mashed potatoes anytime you want!

How Long Do Mashed Potatoes Last In The Refrigerator?

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There are factors to consider when trying to determine how long your mashed potatoes will last in the refrigerator. The main factor is how they were prepared. Homemade mashed potatoes will not last as long as store-bought ones simply because they do not have all of the preservatives that the store-bought kind has.


That being said, homemade mashed potatoes can last up to four days in the refrigerator if they are stored properly. Store them in an airtight container and make sure to use a spoon to put them into the container so that you do not contaminate them with your hands.


As for store-bought mashed potatoes, they can last up to a week in the refrigerator as long as they are stored in an airtight container. Again, use a spoon to scoop them into the container so that you do not contaminate them.

How To Make Mashed Potatoes Last Longer?

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If you’re like most people, you probably don’t think twice about keeping a container of mashed potatoes in your refrigerator. After all, they’re one of the most popular side dishes around, and they’re pretty easy to make. However, you may be wondering how long mashed potatoes actually last in the fridge. To prolong the life of your mashed potatoes, follow these simple tips:


  1. Keep them covered.


Mashed potatoes will last longer if they’re covered tightly. This will help to prevent them from drying out or developing a film on the surface. Use a lid that fits snugly, or wrap them tightly in plastic wrap or aluminum foil.


  1. Store them in the coldest part of your fridge.


Mashed potatoes should be stored in the coldest part of your refrigerator, such as the back of the fridge or on a shelf near the bottom. This will help to keep them from spoiling as quickly. Also, be sure to keep them away from any sources of heat, such as the stove or oven.


  1. Use them within a few days.


Do not keep mashed potatoes for more than a few days, even if they are covered tightly. They will begin to spoil after a few days and will no longer be safe to eat. The bacteria that causes food poisoning can grow quickly in mashed potatoes, so it’s important to use them within a few days of preparing them.


  1. Freeze them for longer storage.


If you want to keep your mashed potatoes for a longer period of time, you can freeze them. Place them in a container that is safe for freezer use, and they’ll last for up to six months. When you’re ready to use them, thaw them in the fridge overnight before reheating.

What To Do Before Eating Mashed Potatoes From The Refrigerator?

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When it comes to mashed potatoes, there are a few things you should do before eating them, even if they’ve been stored properly in the fridge.


  • Be sure to check the expiration date. If they’ve been in your fridge for longer than the recommended time, it’s best to throw them out.
  • Give them a smell test. If they have a sour smell or look discolored, they’ve gone bad and should not be eaten.
  • Take a look at the texture. If they’re watery or have chunks in them, they’ve gone bad and should not be eaten.
  • Reheat them properly. Mashed potatoes should be reheated until they’re steaming hot all the way through. This will help to kill any bacteria that may have grown while they were in the fridge.
  • Check for spoilage. Even if your mashed potatoes look and smell fine, there may be some unseen bacteria present. It is important to check any sign of spoilage before eating. If you see any mold, discoloration, or off-putting smells, throw the mashed potatoes out.


Mashed potatoes are a delicious and popular side dish, but they don’t last forever in the fridge. Use these tips to help keep your potatoes fresh and safe to eat. And remember, when in doubt, throw them out! Always choose the safety of you and your family over a delicious side dish. With these guidelines in mind, you can enjoy your mashed potatoes for days to come.


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