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Butternut squash does not have to be refrigerated if you plan to use it within a few weeks.
In fact, whole butternut squash actually prefers a cool, dark, and dry spot on your counter or in your pantry.
The refrigerator can be too cold and humid for a whole butternut squash, which can cause it to rot faster or turn mushy.
So yes, storing butternut squash at room temperature is perfectly fine, as long as you follow a few simple rules.
In this post, we will look at when you should refrigerate butternut squash, when you should not, and how to store it so it lasts as long as possible.
Let’s get into it.
Does Butternut Squash Have to Be Refrigerated? The Short Answer
Butternut squash does not have to be refrigerated when it is whole and uncut.
A whole butternut squash can last for one to three months in a cool, dark place like a pantry or a cellar.
The ideal temperature for storing a whole butternut squash is between 50°F and 55°F (10°C to 13°C).
That is why a cool pantry or garage works much better than a fridge for a whole butternut squash.
Refrigeration is only necessary once you cut into the butternut squash.
So if you are wondering if butternut squash has to be refrigerated, the answer depends on whether it is whole or cut.
1. Whole Butternut Squash Does Not Need Refrigeration
A whole butternut squash has a thick, protective skin that keeps moisture in and bacteria out.
Because of that natural barrier, you can leave a whole butternut squash on the counter for weeks.
There is no need to refrigerate a whole butternut squash, and doing so can actually shorten its shelf life.
The cold air in a fridge can damage the flesh of a butternut squash and make it lose its sweet, nutty flavor.
So if you just bought a butternut squash and you plan to use it soon, just leave it out.
2. Cut Butternut Squash Should Be Refrigerated
Once you peel, cut, or cook a butternut squash, it should go into the refrigerator.
Cut butternut squash has lost its protective skin, so it is much more vulnerable to spoilage.
Place the cut pieces in an airtight container or wrap them tightly in plastic wrap.
Cut butternut squash will last in the fridge for about four to five days.
Cooked butternut squash will last about three to five days in the refrigerator as well.
If you want to keep it longer, you can freeze cooked butternut squash for up to a year.
3. Cooked Butternut Squash Is a Fridge Favorite
Cooked butternut squash should always be refrigerated because it is a moist, low-acid food.
That kind of environment is a perfect place for bacteria to grow if it sits out too long.
So let your cooked butternut squash cool down, then place it in the fridge within two hours.
You can store it in a shallow container so it cools faster and stays safe to eat.
Reheat it gently on the stove or in the microwave when you are ready to enjoy it again.
How to Store Butternut Squash So It Lasts Longer
How you store your butternut squash makes a big difference in how long it stays fresh.
Whether you keep it whole or cut, a little care goes a long way.
Here are the best ways to store butternut squash so you get the most out of it.
1. Keep It Cool, Dark, and Dry
For a whole butternut squash, find a spot that is cool, dark, and dry.
A pantry shelf, a basement, or a garage corner works great.
Avoid direct sunlight and avoid warm spots near the stove or heater.
Also, keep the butternut squash away from other fruits like bananas and apples.
Those fruits release ethylene gas, which can make your butternut squash ripen and spoil faster.
2. Do Not Wash It Until You Use It
Moisture is the enemy of a stored butternut squash.
So do not wash your butternut squash until you are ready to cut or cook it.
Washing it early can introduce moisture to the skin, which can lead to mold and rot.
Just wipe off any dirt with a dry cloth and leave the skin dry.
That small step can add weeks to the life of your butternut squash.
3. Use Airtight Containers for Cut Pieces
For cut butternut squash, airtight containers are your best friend.
They keep the cut surfaces from drying out and from absorbing other fridge smells.
You can also wrap the pieces tightly in plastic wrap if you do not have a container.
If you are storing cooked butternut squash, let it cool first, then seal it up.
Label the container with the date so you know exactly how long it has been in there.
4. Freeze It If You Have Too Much
If you have more butternut squash than you can eat in a few days, freeze it.
Freezing is the best way to store butternut squash for the long term.
Cut the squash into cubes, blanch them for a few minutes, then freeze on a tray.
Once frozen, transfer the cubes to a freezer bag and squeeze out the air.
Frozen butternut squash will keep for up to twelve months and works great in soups and stews.
So, Does Butternut Squash Have to Be Refrigerated?
Butternut squash does not have to be refrigerated when it is whole and uncut.
A whole butternut squash is happiest in a cool, dark, dry spot, where it can last for weeks.
But once you cut or cook it, the refrigerator becomes its new home.
So store whole butternut squash on the counter, refrigerate cut or cooked butternut squash, and freeze whatever you cannot use in time.
Follow those simple rules and your butternut squash will stay sweet, safe, and ready to cook whenever you need it.