Can You Freeze Leeks? Yes, if you Do This!

Leeks stay fresh for only about three to five days at room temperature. Freezing is a great way of preserving vegetables for a long time. But some people advise against placing them in the fridge. They claim their leeks have gone bad by doing so.

Can you freeze leeks? Yes, you can freeze leeks and keep them fresh for up to 10 months with blanching. Without blanching, the shelf life is reduced to 3-4 months. They may lose their original texture and crunchiness a bit, but quality and freshness remain the same.

Storing leeks in the freezer also requires preparation. Find out how to freeze leeks the correct way.

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What Is The Best Way To Freeze Leeks?

Preparation is paramount when it comes to freezing this vegetable. You can’t just throw leeks in the freezer, expecting them to stay fresh for months. They will deteriorate, both in quality and flavor. Therefore, you need to follow the correct procedure.

The best way to freeze leeks is by selecting the freshest leeks, chopping and blanching them, and storing them in an air-tight bag. Doing so will lock the flavors and keep the leeks fresh for long. More specifically, here’s the complete process of freezing leeks:

  • Select the best – For best results, it’s recommended that you select the best leeks that are in their prime stage. The freshest leeks have vibrant, crisp, and bruise-free leaves and firm-yet-pliant stalks. White bulbs are another indication of freshness. Steer clear from yellow leeks as they might be infected with virus. Once you’ve separated the good from bad, you can start prepping.
  • Clean and dry the leeks – Under tap water, rinse and clean the stalks. Remove dust, dirt, and debris that might have accumulated there. Now, pat the veggies dry using a paper towel.
  • Chop the leeks – You can’t freeze leeks in their current structure. You need to chop them first. So, remove the root and dark green extremes. Slice the remaining white stalk into thin pieces. You can chop crosswise to prepare pieces shaped like a half-moon. Instead of chopping, you can also cut leeks the size of a pinky finger.
  • Blanch the leeksBlanching is an essential step in the process. It locks in the flavor and keeps them fresh for long. Blanch the chopped leeks in a blanching basket under steam for 20-30 seconds. Next, drain the leeks and submerge them in cold water instantly. It will prevent them from getting overcooked.
  • Dry them – You can’t freeze wet leeks. It would affect their taste and texture. Therefore, drain the liquid in a colander until the leeks are completely dry. You can pat them dry or use a fan to speed up the process, as this may take around 30 minutes.
  • Flash freeze – Although an optional step, it’s recommended to flash freeze the leeks prior to freezing. This preserves the quality better. You can flash freeze the leeks in a baking tray for an hour. It would freeze them from outside.
  • Place in a zip-lock bag – Next, take out the leeks from the tray and place them in a zip-lock bag or air-tight container. You must ensure to limit exposure to air and oxygen. Otherwise, they will deteriorate the quality.
  • Store the bag in the freezer – Finally, place the bag in the freezer.

It will take a day or two for the leeks to completely set in and freeze. You can take the frozen leeks out and use them in various dishes.

Can You Freeze Leeks Without Blanching?

Blanching is an essential step in freezing leeks. But it isn’t mandatory. You can freeze leeks without blanching and still have fresh frozen leeks. Simply chop the leeks, pat dry the pieces, and store them inside an air-tight container in the freezer.

But freezing leeks without blanching reduces the shelf life. Instead of a 10-month storage period, you can store leeks without blanching for 3-4 months. Beyond this period, the leeks will start to lose flavor and get mushy.

Can You Refrigerate Leeks?

Freezing leeks is a time-consuming process. If you’re short on time and want to preserve leeks only for a few weeks, there’s another option.

Yes, you can refrigerate leeks and keep them fresh for up to 2 weeks. There’s no need to blanch or even wash the leeks. Place the leeks as they are inside the refrigerator between 0℃-4℃. When necessary, take them out and use them in recipes of your choice.

Bear in mind that chopped leeks will last longer than larger ones. So consider chopping the leeks before placing them in the fridge.

How To Thaw Frozen Leeks?

To use frozen leeks, you must thaw them first. There are more than one ways to defrost leeks.

To thaw frozen leeks, boil them for 5-10 minutes, depending on the size. Boiling them will take out their crunchiness. 

The second way to thaw frozen leeks is to saute them in a pan. It will keep them crunchy and increase the flavor as they get coated with oil/butter. When sauteing, do not apply high heat early on. Otherwise, the center of the leeks will remain frozen.


Can you freeze fresh raw leeks?

Yes. In fact, fresh, raw leeks are the best for freezing. Blanch, chop, and store them in an air-tight container for best results.

How long to blanch leeks before freezing?

Depending on the size, blanch the leeks somewhere between 20 to 60 seconds before freezing.

Can I freeze leeks cooked in butter?

Leeks cooked in butter can be stored in an air-tight container inside a freezer for a month or so. But it depends on what other ingredients are present in the leeks and how you cooked them.

Can You Freeze Leeks Summary

Leeks are an excellent addition to any recipe. They’re available year-round at the supermarkets. You can freeze them safely for later use if you ever buy in excess — courtesy of a flash sale. 

Blanching is a crucial step, but you can skip it if you only want to preserve leeks for 3-4 months. Frozen leeks can be just as delicious and nutritious as their counterparts. So instead of throwing the extra leeks away, consider freezing.

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About Joy

Hi, I'm Martin and my friends call me Joy. From an early age, I was interested in food, vegetables, and fruits. I even have a nutritionist certificate. While searching for some information, I didn't find the answer, so I start a page

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