Can you freeze Onions?

Can you freeze Onions

Can you freeze onions? Yes, you can freeze onions for about 6-8 months. Onions can be frozen in different ways. You can freeze them whole, sliced ​​or mashed.

How to freeze whole onions?

There’s nothing stopping you from freezing whole onions in freezer bags; they will freeze very well. The problem lies in defrosting which will take a long time.

Whole onions will not be practical for cooking later. It’s best to take the time to prepare your onions and freeze them in small, easy-to-use pieces.

How to freeze sliced ​​onions?

You’re probably using your onions cut into pieces, diced, or rings. Well, that’s exactly how you’re going to freeze them. This will make them much more convenient to use.

  1. Peel the onions.
  2. Cut or slice the onions into pieces of the size you will need for your next recipes. It is not necessary to bleach them.
  3. Put the onions in several freezer bags, squeeze out as much air as possible and seal the bags. It is better to use several small bags rather than one large one, so that you can defrost small portions easily. Onions do not refreeze well.
  4. Label the freezer bags with the date and contents, then put them in the freezer.

How to freeze mashed onions?

You can also freeze your onions as a puree. Onion puree is ideal for making curries and Asian-inspired recipes.

  1. Peel the onions and cut them into large pieces.
  2. Put the onions in a blender with a little water and mix until you obtain a thick and homogeneous purée. You can add spices, herbs or condiments at this point. Add a little more water if the puree is too thick.
  3. Pour the onion puree into the compartments of an ice cube tray, being careful not to fill it to the brim. Put the ice cube tray in the freezer for several hours.
  4. Once the onion puree is frozen, transfer the ice cubes to a freezer bag. Seal the freezer bag tightly, pushing out as much air as possible.
  5. Label the freezer bag with the date and contents, then return the onion puree ice cubes to the freezer.

What is the shelf life of onions in the freezer?

Onions will keep for about 6 to 8 months in the freezer . After this time, they will begin to lose their flavor.

How to defrost onions?

It is not necessary to thaw your onions; just add them directly to the dish you are preparing. You can run them briefly under running tap water to melt away any traces of frost if you deem it necessary.

To cook frozen onions, be sure to start on low heat to gently thaw them. If you cook them over high heat, the surface may burn before the insides are even thawed.

How to freeze onions without bad smell?

There’s no secret or trick to freezing onions without making your freezer stink. Just use very thick, perfectly airtight freezer bags.

For extra protection against bad smells, you can then put the freezer bag in an airtight container.

Can you freeze onions and garlic together?

Yes it’s possible. But we advise against it.

In some cases, you may only want to add garlic to your dish. In others, you will only need onions. That’s why we advise you to freeze your onions and garlic separately.

Abbas Jahangir

I am a researcher and writer with a background in food and nutritional science. I am the founder of, our reputable online platform offering scientifically-backed articles on health, food, nutrition, kitchen tips, recipes, diet, and fitness. With a commitment to providing accurate and reliable information, we strive to empower our readers to make informed decisions about their health and lifestyle choices. Join us on's journey toward a healthier and happier lifestyle.

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