How to store chopped potatoes? (+5 health benefits)

In this article, we will answer the question “How to store chopped potatoes?”, and when to discard potatoes?

How to store chopped potatoes?

After chopping or dicing the potatoes, dip them in a bowl filled with cool water to keep them fresh for the next 24 hours. Add some citrus juice (like lemon, lime, or orange) or distilled white vinegar to the water. Use only a tbsp of the acidic ingredient for every gallon of water. Do not add too much or else you will end up altering the flavor of potatoes.

Cover the bowl with a plastic sheet or aluminum foil and keep it in the middle shelve of the fridge. Storing past 24 hours will make the potatoes water-logged, ruining their texture.

If the water in the bowl looks too cloudy or discolored, replace it with new water. If the water is not changed, the potatoes will absorb keep absorbing the water full of enzymes that propel them to turn brown.

How to store peeled potatoes?

Peeled potatoes will only last 12-24 hours. After peeling, immerse the whole unpeeled potatoes in a bowl filled with cool water. Cover it tightly with plastic wrap and keep it in the fridge. 

Avoid cutting or slicing the potatoes too finely. Finely sliced or grated potatoes will not withstand the 24-hour soak. However, you can cut them into small cubes.

Which potatoes to prepare ahead of time and which to skip?

Storing the peeled and cut potatoes for mashed potatoes works great and saves you some time when you are in a hurry. But it is not recommended to store the potatoes soaked in water in the fridge in the following cases.

  1. If you want to fry the potatoes. It is dangerous to add wet vegetables to hot oil. Cut fresh potatoes for frying e.g for making french fries.
  2. Soaking and refrigerating finely diced or grated potatoes are not recommended. It will only damage the crispness and textural integrity of the potatoes. So if you are making latkes or hashbrowns, freshly prepare the potatoes.
  3. If you want the end-product to be crispy as in french fries or crispy roasted potatoes, do not prepare ahead.

The shelf-life of potatoes

At room temperature

Whole, unpeeled potatoes will keep at room temperature for up to 2 weeks. If they are kept in a dark and cool place, they will preserve their freshness for up to 2 months. Keep the potatoes in a paper bag, plastic basket, mesh bag, etc for ventilation.

In the fridge

Cut or peeled potatoes should always be refrigerated. They will keep fresh in the fridge for up to 24 hours. Whole. Unpeeled potatoes develop a sweet taste when stored in the fridge. Because the starch converts into sugar.

In the freezer

Freezing uncooked potatoes will considerably damage their texture. Therefore, it is advised to cook the potatoes thoroughly before freeze storing them in a freezer bag or an air-tight container.

Other FAQs about Potatoes which you may be interested in.

How to boil potatoes and carrots?

Can you reheat fried potatoes?

Can you peel sweet potatoes the night before?

When to discard potatoes?

If the potatoes develop a soft and wrinkly texture with a musty smell, throw them in the bin. Sprouted potatoes or the potatoes that have turned green is an indication of improper storage. This happens if the potatoes have been in contact with sunlight or heat from any other source and moisture.

The levels of glycoalkaloids are very high in the eyes, sprouts, and the green peel of the potatoes. It is best to avoid such potatoes. These toxins are not destroyed by cooking or boiling.

Health benefits of potatoes

Good source of anti-oxidants

Potatoes are a rich source of flavonoids, carotenoids, and phenolic acids. These compounds have excellent anti-oxidant properties and prevent cellular damage due to free radicals.

Control blood sugar

Potatoes contain resistant starch. As the name suggests, this starch is resistant to digestion. Therefore, it passes down to the large intestine where it becomes a source of nutrients for the healthy gut bacteria. This has been linked to promoting blood sugar control by reducing insulin resistance.

Promotes digestive health

The bacteria in the large intestine turn the resistant starch into short-chain fatty acids, most commonly, Butyrate. Butyrate prevents colon inflammation and reduces the risk of colon cancer.


People suffering from celiac disease or non-celiac gluten sensitivity are allergic to gluten protein present in wheat, rye, barley, and other foods. Potatoes are a nutrient-dense and gluten-free choice of food for gluten-sensitive people.

Keeps you full for longer

Potatoes keep you full for longer regulating your hunger patterns. This is very helpful for weight loss. A study has shown potatoes are more filling than croissants.


In this article, we answered the question “How to store chopped potatoes?”, and when to discard potatoes?


Hi, I am Charlotte, I love cooking and in my previous life, I was a chef. I bring some of my experience to the recipes on this hub and answer your food questions.