How long do boiled potatoes last? Cooking boiled potatoes is perfect for a weekend or an afternoon snack because they’re not only delicious but also nutritious. They are excellent sources of vitamin B6, copper, manganese, fiber and vitamin C, to name a few.

Potatoes are also versatile foods that can be fried, mashed, roasted or baked and are considered comfort food. Now if you have prepared more potatoes for everyone but then there are leftovers, you probably want to know how long they would last, just as you’d find information on how long boiled peanuts last.

How Long Boiled Potatoes Last

So if you bought potatoes and cooked them in the rice cooker for instance, you can store and make them last for five to seven days in the fridge and 6-8 months in the freezer provide you store them properly.

Remember that the same applies for mashed or baked potatoes. So if you boiled potatoes, don’t keep them for more than a week in the fridge to prevent yourself or your family from suffering from food poisoning or stomachache.​

How Long Potatoes Last​

They can last for up to five weeks in the kitchen and about four months in the refrigerator. However, their shelf life will also depend on factors, including preparation date, sell by date, potato type, humidity and how long they’ve been stored.

Foods will have a shorter storage time if you don’t store them correctly. And just like chili you bought in the stores, potatoes also have a sell by date found in their plastic bag. The sell-by date is the last day when they should be sold.

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If you bought potatoes in the store and you keep them in the fridge, they will last longer based on the type you have.​

  • White potatoes last for three to five week in the pantry or three to four months in the fridge.
  • Yukon gold potatoes, on the other hand, can last for up to three weeks in the kitchen, or two to three months in the refrigerator.
  • Now new or red potatoes usually last for two to three weeks in the pantry, or two to three months in the fridge.
  • For sweet potatoes, the shelf life can be from three to five weeks in the refrigerator, or two to three months in the fridge.
  • If you have instant dry potatoes, they will last for up to one year in the pantry or up to 5 days in the fridge.

How to Tell That the Potatoes Are Rotten or Bad

So after storing boiled potatoes and you have finally decided eating it again, you should know if they are already bad to avoid food poisoning. For instance, if you turned your boiled potatoes into mashed potatoes, know that your potatoes are starting to get old if you notice liquid forming and separating from the solid.

At first, you will notice that the liquid is clear and it can be mixed back into the mashed potatoes and consume. However, if you start noticing white haze and sour smell, throw the mashed potatoes because such signs mean that they are bad.

If you have raw potatoes that you want to boil, you should check them for any growths and discoloration through their skin, as well as for any signs of withering and softness. Remember that potatoes are still alive when picked, so that will form white sprouts if you keep them long in a humid place. You can cut these white sprouts before using the potatoes.

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Aside from these white sprouts, check for green spots, which might develop when they are exposed to direct light for a long time. Again, you can cut these spots before using the remaining potatoes.

But if you noticed that they have mold due to wetness, you should discard and use new potatoes. To prevent fast spoilage, you should not wash before storing them.

Take note of health risk for eating spoiled foods, which is why you need to know how long potatoes last before they are rotten. You should always practice food safety so that you can enjoy your favorite foods, including stews with meat cut using butcher knives before they are expired.​

Tutorial How to Boil Potatoes

Storing Potatoes

Keep them in a cool and dry place, such as a cellar, where potatoes can stay safe for up to several months between 45 and 50 degrees Fahrenheit.

Avoid storing them in a hot and humid place because this condition will make them sprout and shrink, especially in locations where there is low humidity due to the high water content of 80% of potatoes. So if you keep them in a hot and dry climate, the water on them will evaporate.

On the other hand, keeping them in the fridge will make the potato starch to turn to sugar, giving them a sweet taste and a dark color when you fried them. You can reverse the process by leaving them out the fridge for up to 10 days. Raw potatoes don’t freeze well, except French Fries, which are meant for freezing.​

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Final Thoughts

Boiled potatoes, or any cooked potatoes, generally last up to seven days in the refrigerator and up to eight months in the freezer. But if you want to enjoy them as fresh as they were the first time, it might be better to consume them the same day.

I hope you learned something in today’s tutorial on how long do boiled potatoes last. If you did, help spread the word and share it with friends.

Do you have a tip to share with the community about boiled potatoes? Write it in the comment section below.

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About the Author

Austin Sims

Currently Executive Chef at famous NY restaurant, Austin began his tenure with as Chef de Partie. He has over eight years of experience, including tenures at two- and three-Michelin star restaurants. Austin is passionate about all things cooking – products, supply chain, management, menu design, and budgeting.

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