Can Onions Be Frozen Whole? Yes, Here’s How!

If you’ve ever found yourself with too many onions on your hands and no immediate use for them, you may have wondered if it’s possible to freeze them. Good news: you can! However, it’s important to follow certain steps to ensure that they freeze well and that your frozen onions have the best flavor and texture possible.

Why Freeze Onions?

There are several reasons why you might want to freeze onions:

  • You have excess onions that you can’t use up right away.
  • You want to save time by prepping onions in advance.
  • You want to have onions on hand even if they’re out of season or unavailable in your area.

Freezing onions is a great way to avoid waste and save time, but it’s important to do it right. Here’s what you need to know.

Can You Freeze Onions Whole?

Yes, you can freeze onions whole, but it’s important to take some precautions. First, you need to choose the right onions. Large onions freeze better than small ones because there’s less surface area for water to attach to. This makes them less prone to freezer burn and helps them maintain their texture and flavor.

When it comes to onion varieties, sweet onions like Vidalias are known to freeze better than spicy onions. However, you can freeze any onion as long as it’s fresh and in good condition.

How to Freeze Onions Whole

Here’s how to freeze onions whole:

  1. Peel the onions, removing the papery outer layer but leaving the root intact.
  2. Wrap the onions tightly in plastic wrap or aluminum foil, making sure to remove as much air as possible.
  3. Place the wrapped onions in a freezer-safe container or bag, and label them with the date.
  4. Place the container or bag in the freezer.

It’s important to wrap the onions tightly to prevent freezer burn and to label them with the date so you know how long they’ve been in the freezer.

How Long Do Frozen Onions Last?

Frozen onions can last up to 8 months in the freezer. However, they’re best when used within 3-6 months.

Cooking with Frozen Onions

When it comes time to use your frozen onions, there’s no need to thaw them first. You can use them straight from the freezer in most recipes. Frozen onions work well in recipes where they’ll be cooked, such as soups, stews, and casseroles. They may not work as well in recipes where they’ll be eaten raw, such as salads or sandwiches, as they’ll likely be softer and more watery than fresh onions.

If you’re using frozen onions in a recipe that calls for sautéing or frying, it’s best to add them directly to the hot oil. This will help prevent them from releasing too much water and becoming mushy.

FAQs About Freezing Onions

Q: Do I need to blanch onions before freezing them?

A: No, you don’t need to blanch onions before freezing them.

Q: Can I freeze chopped onions?

A: Yes, you can freeze chopped onions using the same method as for whole onions. However, they may not freeze quite as well because there’s more surface area for freezer burn to occur.

Q: Are frozen onions as flavorful as fresh onions?

A: While frozen onions won’t be as flavorful as fresh ones, they’re still a great option for recipes where they’ll be cooked.

Q: Can I freeze cooked onions?

A: Yes, you can freeze cooked onions. Simply let them cool, then place them in a freezer-safe container and label with the date. They’ll last in the freezer for up to 6 months.

Q: Can I freeze onions in water?

A: It’s not recommended to freeze onions in water, as this can cause them to become mushy and lose flavor.

In Conclusion

Freezing onions is a great way to avoid waste and save time. By following the steps outlined above, you can freeze onions whole and use them in your favorite recipes for up to 8 months. Just remember to choose the right onions, wrap them tightly, and label them with the date. When it comes time to use them, simply add them straight from the freezer to your pot or pan. Enjoy!


1. “How to Freeze Onions,” The Spruce Eats, accessed 22 August 2021.

2. “How to Freeze Onions,” Taste of Home, accessed 22 August 2021.

3. “Can You Freeze Onions?” Eat By Date, accessed 22 August 2021.

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