How To Freeze Bok Choy (Complete Guide)

Every summer I seem to bring home more fresh vegetables than I can use before they start to lose their quality. I almost always end up with extra bok choy, whether it’s from a great sale at the grocery store or a trip to the farmers market. Instead of letting it go to waste, I freeze it so I always have it on hand whenever I need it.

Over the years, I’ve found that freezing bok choy is much easier than many guides make it seem. In this post, I’ll show you how to freeze bok choy, whether it should be blanched first, how long it lasts in the freezer, and the best ways to use it once it’s thawed.

And if you’re stocking your freezer with more than just bok choy, I’ve got easy guides for that too. You can learn how to freeze acorn squash, how to freeze grapefruit, how to freeze lemon juice, and how to freeze poblano peppers so nothing from your market haul goes to waste.

Preparing bok choy for freezing

Taking a few minutes to prepare bok choy before freezing helps preserve its quality and makes it easier to use later. Since bok choy grows close to the ground, dirt and grit often collect between the stalks and leaves, so washing it thoroughly is the most important step.

Trim a thin slice from the base of the head and separate the stalks if needed. Rinse each stalk and leaf under cold running water, paying close attention to the base where soil tends to collect. If the bok choy is especially dirty, soak it in a large bowl of cold water for a few minutes before giving it a final rinse.

Once it’s clean, dry the bok choy thoroughly with clean flour sack towels or a salad spinner. Removing excess moisture helps reduce ice crystals during freezing.

Finally, cut the bok choy into the size you normally use. I usually chop it into bite-sized pieces before freezing so it’s ready to use straight from the freezer with no additional preparation.

The blanching method

Blanching is a traditional way to prepare vegetables for freezer storage. It involves briefly cooking the bok choy in boiling water before immediately transferring it to an ice bath to stop the cooking process. Once cooled, the bok choy is drained thoroughly, dried, and packed into freezer-safe bags or containers.

Blanching slows the natural enzyme activity that can affect a vegetable’s color, flavor, and overall quality during long-term storage. For that reason, many home cooks and food preservation experts recommend blanching bok choy before freezing, especially if it will be stored for several months.

Freezing without blanching

Although blanching is a popular method, I almost always freeze bok choy without it. Since I always cook bok choy after freezing, I’ve never found blanching necessary.

After cleaning, drying, and cutting the bok choy, I pack it into freezer bags or freezer-safe containers. I remove as much air as possible before sealing, then label it and place it in the freezer.

I’ve used this method for years with excellent results. Freezing bok choy raw saves time and makes it easy to stock my freezer whenever I find it on sale or have more than I can use while it’s fresh. Because it’s already washed and chopped, I can grab exactly what I need without any extra prep.

Storage life

Frozen bok choy keeps its best quality for 8 to 12 months when stored in an airtight freezer-safe container or freezer bag at 0°F (-18°C) or below. Although it remains safe to eat if kept continuously frozen beyond that time, its flavor, texture, and overall quality will gradually decline.

Whether you blanch the bok choy or freeze it raw, storing it in a well-sealed freezer-safe container or bag helps maintain its quality throughout storage.

Label each package with the freezing date so you can easily use the oldest batches first.

Thawing frozen bok choy

Frozen bok choy usually doesn’t need to be thawed before using it. Simply add it directly to the dish you’re cooking, where it will thaw quickly as it heats.

If you prefer to thaw it first, place the frozen bok choy in the refrigerator until completely thawed. You can also thaw it under cool running water if you need it sooner. Once thawed, drain away any excess liquid before adding it to your recipe, as bok choy naturally releases moisture during freezing and thawing.

Because freezing naturally softens the leaves and stalks, frozen bok choy is best suited for cooked recipes rather than fresh salads or other dishes where a crisp texture is important.

Cooking with thawed bok choy

I like keeping frozen bok choy on hand because it makes quick weeknight cooking much easier. I most often add it to homemade soups, stir-fries, noodle bowls, curries, and fried rice, where it cooks in just a few minutes.

It’s also delicious stirred into ramen, added to pork, chicken, and vegetable dishes, or mixed into simple side dishes with garlic, ginger, and soy sauce. Since it’s already chopped before freezing, it’s an easy way to add vegetables to a meal without much prep work.

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