Last Updated on February 15, 2024 by Shari Mason
A common favorite in various meals, mashed potatoes are a breeze to prepare and can be savored in all sorts of gatherings, be it a casual affair or traditional celebrations like Thanksgiving dinner.
But how long does mashed potatoes last in the fridge?
We will explain everything you need to know about storing mashed potatoes, including tips on keeping them fresh and safe for consumption.
How Long Can Mashed Potatoes Last In The Fridge?
Mashed potatoes last anywhere from 3-5 days in the fridge and up to two months in the freezer if stored properly. However, adding dairy products, such as butter and cream cheese, may cause it to spoil faster.
For best results and a longer storage period, store them in a fridge with a temperature below 40°F (4°C) or freeze them constantly at zero degrees Celsius.
Reheating leftover mashed potatoes after storing them in the fridge or defrosting them is also necessary before consumption.
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Will Keeping It In an Airtight Container Make It Last Longer?
Storing potatoes in an airtight container makes them last longer. This also helps prevent the potatoes from spoiling from exposure to oxygen and other contaminants.
Storing it in an airtight container also prevents moisture loss, which can cause the potatoes to become dry and harden over time.
It also prevents the absorption of smells from the other foods and raw products inside your refrigerator.
Can You Store It In The Freezer?
You can freeze mashed potatoes if you plan to use them after five days, though the quality might not hold up if you freeze them for too long.
Frozen mashed potatoes in the freezer last for two months and can still be safe for consumption after thawing and reheating properly.
When freezing mashed potatoes, cool them completely and store them in freezer-safe bags or containers or even in a freezer-safe casserole dish to avoid freezer burn and achieve optimal storage.
How To Store Mashed Potatoes In The Fridge
To store mashed potatoes in the fridge, divide them first into portions. Each portion should be enough for one serving or recipe, so when the time comes, you only have to thaw the desired amount needed.
Use a wide airtight shallow container so it will cool evenly and leave no warm spots where spoilage could start.
How To Tell If It Has Gone Bad
Mashed potatoes are bad if they have visible molds. It may also be accompanied by slight discoloration, moldy patches, or any uncommon changes in appearance compared to when you store them first.
If you’re unsure that your mashed potatoes are safe just by their appearance, you can also smell them. Spoiled mashed potatoes usually smell bad or sour.
If you smell any unfamiliar and off odor on them, it’s a sign that it has gone bad and should be discarded.
Though not recommended, tasting a very small amount of your stored mashed potato can sometimes be necessary if you’re unsure just by its appearance or odor.
“My idea of heaven is a great big baked potato and someone to share it with.”-Oprah Winfrey, American Talk Show Host
Where Can You Use Leftover Mashed Potatoes?
Mashed potato leftovers are a delicious and versatile ingredient that can easily be transformed into various dishes.
From a savory breakfast scramble to a comforting side dish, here are some creative ways to use up your leftover mashed potatoes:
- Potato Pancakes
- Shepherd’s Pie
- Mashed Potato Croquettes
- Loaded Baked Potatoes
- Soup Thickener
- Potato Patties
- Baked Mashed Potato Fingers
- Potato Soup
u003cstrongu003eCan I store my mashed potatoes at room temperature?u003c/strongu003e
Mashed potatoes should not be kept at room temperature because they are a perishable food and can spoil quickly. u003cbru003eu003cbru003eBacteria multiply rapidly in temperatures between 40-140°F, the typical temperature range for most rooms. u003cbru003eu003cbru003eIf mashed potatoes are left out too long or exposed to room temperature, bacteria will grow on them and cause foodborne illnesses if consumed.
u003cstrongu003eCan I eat mashed potatoes that have been in the fridge for a week?u003c/strongu003e
Eating mashed potatoes that have been in the fridge for a week is not safe. Mashed potatoes in the refrigerator should be consumed only within five days.u003cbru003eu003cbru003eOtherwise, consuming it after the designated shelf life risks health and safety.
u003cstrongu003eHow long can mashed potatoes stay out of the fridge?u003c/strongu003e
Mashed potatoes should not be left outside the fridge for longer than two hours. It should be stored right away if added with any dairy, such as cream cheese, sour cream, whole milk, or butter.
u003cstrongu003eHow do you store leftover mashed potatoes?u003c/strongu003e
Mashed potato is best stored in the fridge or freezer. Storing mashed potatoes in an airtight or sealed container, both shallow and wide, is the best way to store them in the fridge.
How long mashed potatoes last greatly depends on when and how you store them, and they can last in the refrigerator for up to five days if stored properly.
It’s important to keep them in an airtight container and store them below 40 degrees Fahrenheit. To extend their storage time, you can freeze them for up to two months. Just make sure to thaw and reheat them properly.
Keeping proper storage methods on any food is essential. Otherwise, there will be an increased risk of consuming spoiled or contaminated food resulting in potential health complications.
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