Can You Freeze Onions? The Best Method to Freeze Onions

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I like having a stash of pre-chopped veggies hanging out within the freezer for straightforward meal prep! And one of the crucial versatile substances you’ll be able to have prepared to go are completely chopped uncooked onions. Just seize a handful to begin off all of your favourite savory recipes. No peeling, no chopping, and most significantly—no tears!

Freezing onions can be a good way to protect onions which may go dangerous in any other case. While onions usually retailer fairly nicely, some varieties (like candy onions) go off fairly rapidly, and freezing is a fast approach to protect a windfall of onions that’ll in any other case be left to go dangerous.

We’re going to present you our favourite methodology for freezing onions, and—belief me—you’ll be revolutionized the primary time you need to prepare dinner dinner and also you understand you don’t have to chop an onion. It’s such a time-saver having all of it completed for you! Let’s get freezing.

Close-up of diced onions on a cutting board.

Why ought to I freeze onions?

I’ve two essential explanation why freezing onions is a kitchen win:

Freezing onions is a good way to protect onions.
It’s a HUGE time saver! Having a stash of diced onions within the freezer (or slices!) is tremendous handy. It makes mealtimes go a lot sooner.

What are the perfect onions to freeze?

Any onions work frozen! Yellow onions, white onions, purple onions, heck, even inexperienced onions might be frozen utilizing the identical methodology we define under. Generally, we have a tendency to freeze candy white onions probably the most often in our kitchen, simply because they go dangerous rapidly due to their high-sugar content material.

Diced onions on a cutting board with a full freezer bag nearby.

Can I freeze complete onions?

You can, however largely we simply discovered it a ache in our testing—you have got to thaw your onion earlier than you are able to do something with it, which removes loads of the comfort facet!

The one exception: small (AKA “pearl”) onions. We beloved peeling these tiny onions and freezing them complete for including to pot roast and beef stew.

Will my freezer odor like onions?

No worries! The onion odor is underneath lock-and-key in a thick freezer-safe zip-top meals storage bag or different hermetic meals storage container. No pungent freezer!

Do onions lose dietary worth when frozen?

Nope! Freezing vegatables and fruits at their peak really preserves their vitamins. Frozen onions can have the identical nutritional vitamins and minerals as contemporary onions!

Overhead of a wooden cutting board with whole onions and diced onions on it.

How ought to I retailer frozen onions?

Here are my 4 favourite containers for stashing frozen veggies:

Glass Food Storage Containers—These take up a good quantity of area, however I like that they’re reusable, glass, and stack properly with one another. A small caveat: typically the plastic lids of those containers tackle the odor and taste of frozen onions, so proceed with warning!
Glass Canning Jars—Thanks to all my canning, we all the time have loads of jars available, so a few of them get used for freezing! If you go this route, be sure to select jars with straight sides, as a result of they’re most secure for freezing.
Zip-top Freezer Bags—If you aren’t opposed to single-use plastics, zip-top freezer baggage are reasonably priced and simple to discover at most grocery shops. Reminder: these aren’t the identical as skinny sandwich baggage, which gained’t defend your produce from freezer burn.
Vacuum Sealing Bags—I like our vacuum sealer, however I don’t usually use it for storing frozen onions. Once you’ve opened a vacuum-sealed packet, you both have to use the entire onions or discover a approach to shut up the pack. Since we usually use a bit of little bit of onion at a time, the vacuum sealer doesn’t make as a lot sense right here.

A Ziplock freezer bag of frozen onions rests on a wooden cutting board with whole onions around it.

How to freeze onions:

Freezing onions is so simple as chopping onions—actually!

Peel after which lower onions. You can cube, chop, or slice your onion—we like to have all three in our freezer for straightforward meals.
Spread the onions out in a single layer on a baking sheet.
Pop within the freezer and flash freeze till frozen stable. This shouldn’t take greater than 2-3 hours, which isn’t lengthy sufficient for the onion odor to permeate your freezer. But in case you’re nervous, you’ll be able to cowl the baking sheet with plastic wrap.
Once frozen stable, switch the frozen onions to your most well-liked hermetic storage container. We like to portion out the onions into zip-top freezer baggage and hold a quart bag in our kitchen freezer always.

Wholefully Protip

The perfect approach to make fast work of dicing onions is with a superb high quality vegetable chopper. I can cube 10 kilos value of onions in about quarter-hour with my useful chopper, and no tears shed! You may use a meals processor, however the items have a tendency to come out much less even.

Do you want to blanch onions for freezing?

Nope! Onions freeze nice uncooked.

Overhead of a single layer of chopped onions on a cookie sheet with whole onions around it.

How lengthy will frozen onions final?

In common, you’ll need to use your frozen onions inside 8-12 months. But simply so long as they appear good (no freezer burn), style good (no freezer burn), and odor good (no freezer burn), you will get away with utilizing them previous that point.

Wholefully Protip

Make certain to take away as a lot air as potential when packing your onions of their storage containers to stop freezer burn.

How do you utilize frozen onions?

You can use frozen onions in the very same approach you’d use uncooked onions when cooking. They do lose their form and texture barely—however they work completely in casseroles, stir-fry, stews, soups, salads, salsas, and different dishes. They additionally work nice for making caramelized onions (which you too can freeze, too—we advocate freezing in ice dice trays).

Wholefully Protip

Make certain to freeze some onion slices with some strips of bell peppers for fast and simple fajitas!


Close-up of a freezer bag filled with diced onions on a cutting board with three whole onions beside it.

How to Freeze Onions

2 kilos

Prep Time:

Additional Time:
2 hours

Total Time:
2 hours quarter-hour

Freezing takes loads of the annoyance of contemporary onions out of the equation. They’re straightforward to retailer, make prep a breeze, and also you’ll by no means have to fear about them going dangerous.


2 kilos onions, peeled and chopped, diced, or sliced


Peel and lower onions into no matter measurement you want—we like diced, chopped, or sliced.Arrange the onion items in a single layer on a baking sheet.Slide the baking sheet into the freezer. Freeze for 2-3 hours, or till the onions are frozen stable.Transfer the frozen onions to hermetic, freezer-safe containers or baggage, eradicating as a lot air as potential.


This might be completed with any quantity of onions. Just ensure to hold them in a single layer within the preliminary freeze, which can require working in batches.

Nutrition Information:

Yield: 9

Serving Size: Per medium onion

Amount Per Serving:

Calories: 44Total Fat: 0gSaturated Fat: 0gTrans Fat: 0gUnsaturated Fat: 0gCholesterol: 0mgSodium: 3mgCarbohydrates: 10gFiber: 1gSugar: 5gProtein: 1g

At Wholefully, we consider that good vitamin is about far more than simply the numbers on the vitamin info panel. Please use the above info as solely a small a part of what helps you determine what meals are nourishing for you.

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