Kkakdugi Recipe (깍두기, Korean Radish Kimchi)
The best part of kkakdugi is the crunch.
A cube of radish gives way with a clean bite, followed by garlic, chili and the sharp, refreshing flavor that develops as the kimchi ripens.Beside a mild bowl of chicken soup or noodles, that small side dish can be the bite you keep coming back to.
Kkakdugi is also a useful first kimchi to make at home.There are no cabbage leaves to separate or layers to fill: cut the radish, salt it, coat it with seasoning and pack it into a container.The work is straightforward, but the size of the cubes and the amount of salt deserve attention.
This small-batch version starts with one kilogram of prepared Korean radish and uses fish sauce for savory depth.It keeps the natural liquid released by the radish, so there is no separate brine to prepare.You can enjoy it freshly seasoned, then follow the change in flavor as it ripens.
Crunchy kkakdugi brings a spicy, refreshing contrast to a mild bowl of soup.
Makes: about 1.1 kg, roughly 16–18 small side-dish portionsActive preparation: about 20 minutesSalting: 30–40 minutesTotal preparation: about 50–60 minutes, plus ripeningStorage: refrigerated; optional short room-temperature ripening is explained below
Jump to recipeSo, What Is Kkakdugi?
Kkakdugi (깍두기) is Korean kimchi made from cubed radish.It has the familiar chili, garlic and fermented flavor of kimchi, with a firmer, juicier bite than napa cabbage kimchi.The cubes are often served with rice and mild soups, where their tangy flavor adds contrast to the broth.
Freshly mixed kkakdugi tastes peppery, salty and a little sweet.As it ferments, the raw edge softens and a gentle sourness develops.It is a different preparation from danmuji, the yellow pickled radish often served with Korean-Chinese food.
What You’ll Need
- 1 kg (2.2 lb) Korean radish (mu), weighed after trimming and any peeling
- 20 g coarse sea salt or pickling salt; weigh it rather than measuring by spoon
- 1 tbsp sugar (about 12 g)
- ¼ cup gochugaru, Korean chili flakes (about 4 tbsp or 24 g; weight varies by grind)
- 2 tbsp Korean anchovy fish sauce (30 ml)
- 1 tbsp finely minced garlic (about 15 g)
- 1 tsp finely grated ginger
- 3 green onions, trimmed and cut into 2 cm lengths
Use a 240 ml cup, a 15 ml tablespoon and a 5 ml teaspoon.You will also need a large nonreactive bowl and clean food-safe containers with enough room for the kimchi to expand.A 1.5-liter container, or two smaller jars of about 750 ml each, gives useful working space.This is a refrigerated kimchi recipe, not a canning method for storage in the pantry.
A firm Korean radish and a few basic seasonings make a manageable small batch.
Choosing the Radish and Seasonings
Korean radish is the first choice.
Look for a heavy, firm mu with smooth skin and no soft spots.It is usually shorter and rounder than Japanese daikon, often with pale green shoulders and a white lower portion.Avoid radishes with a dry, spongy or hollow center.Daikon can be used, but the sweetness and final texture will differ.
Use gochugaru rather than a chili blend.
Kimchi-style Korean chili flakes give the seasoning its red color and characteristic flavor.A generic chili powder blend can bring cumin, extra salt or other seasonings that change the dish.This recipe does not use gochujang, the thick fermented chili paste.
Weigh the salt.
A tablespoon of one salt can weigh much more than a tablespoon of another.For this batch, use the listed 20 grams and keep the radish liquid as directed.Do not reduce the salt simply to make the kimchi milder; choose milder chili flakes instead.
Let’s Make It
1. Wash and cut the radish.
Wash your hands, bowl, utensils and containers before starting.Scrub the radish under running water, trim the ends and remove any damaged areas.Peel tough skin thinly if needed, then weigh out one kilogram of prepared radish.Cut into thick slices, then sticks, then cubes about 2 cm (¾ inch) across.
Aim for a consistent size rather than perfectly squared edges.Tiny cubes lose their firm bite sooner, while much larger pieces take longer for the seasoning to penetrate.The rounded edge pieces are fine to include.
2. Salt the cubes and let them release liquid.
Put the radish in the large bowl and add the 20 grams of salt and the sugar.Toss thoroughly so the cubes are evenly coated.Leave for 30–40 minutes, turning the radish once or twice as liquid gathers at the bottom.The surfaces will become moist, while the centers should still feel firm.
Keep all the liquid in the bowl.Do not rinse or discard it in this version, because the measured salt and the natural radish juice are part of the mixture.There may seem to be quite a lot of juice; it will combine with the chili flakes and become the kimchi liquid.
Salt the radish for 30–40 minutes and keep the liquid in this version.
3. Add the seasonings.
Sprinkle the gochugaru over the sa
lted radish and toss until the cubes begin to turn red.Add the fish sauce, minced garlic and grated ginger.Mix thoroughly, lifting the cubes from the bottom so the seasoning and released liquid reach the whole batch.A large spoon works well; if mixing by hand, use clean food-safe gloves to protect your skin from the chili.
Fold in the green onion pieces and leave the mixture for about 5 minutes so the flakes can absorb moisture.The cubes should look coated and juicy.Do not add plain water just to make the mixture look like a soup; the radish will release more liquid during storage.
Coat the cubes evenly with chili flakes, fish sauce, garlic and ginger, then fold in green onion.
4. Pack into containers.
Transfer the kimchi and every bit of its seasoned liquid into the clean containers.Press down gently with a clean spoon to reduce large air pockets and help the liquid rise around the cubes.Leave at least 3 cm of space below the rim rather than filling the jars to the top.Wipe the rims clean and use lids suitable for the containers.
Some cubes may sit above the liquid at first.As the radish releases more juice, gently press the pieces down with a clean utensil and keep the exposed surfaces coated.A food-safe fermentation weight that fits the container can help keep the cubes below the liquid.Keep jars on a tray in case liquid escapes.
Pack the cubes and their liquid into clean containers, leaving at least 3 cm of headspace.
5. Choose how to ripen it.
For the simplest option, refrigerate the packed kimchi immediately at 4°C (40°F) or below.It can be eaten freshly mixed and will develop more slowly in the refrigerator.It may take several days or longer to reach the tanginess you prefer, depending on your refrigerator and the radish.
For a quicker start, keep it out of direct sunlight in a cool spot around 20–22°C (68–72°F), checking it after 24 hours.Refrigerate after this short start, or within 48 hours at the latest; continue ripening in the refrigerator.If your kitchen is warmer or you cannot keep track of the temperature, use the refrigerator method from the beginning.
Fermentation releases gas.Follow the instructions for a fermentation lid, or briefly loosen a regular jar lid as needed to release pressure; do not leave a rigid glass jar tightly sealed and unattended while fermenting.Small bubbles and a developing sour aroma can accompany fermentation, but these signs alone do not prove that food is safe.
A Few Tips
Fresh and ripe are different pleasures.
Fresh kkakdugi is especially crisp, with a stronger raw-radish bite.Ripened kkakdugi is tangier, with more blended garlic and chili flavors.You do not need to force it to become sour before serving a small portion.
Expect more juice.
The cubes continue releasing moisture after they are packed.A layer of red liquid is normal, and it helps carry the seasoning around the radish.Keep that liquid with the batch instead of pouring it away each time you serve.
Keep utensils clean.
Take out the portion you need with a clean spoon or chopsticks.Serve it in a separate dish and leave the storage container chilled.Avoid returning pieces from the dining table to the main jar.
Give the jar room.
Overfilled jars can push liquid out as gas forms.Divide the batch between two containers if needed rather than trying to press everything into a jar that is too small.
Quick FAQ
Is kkakdugi vegan?
This version contains fish sauce, so it is not vegan.For a plant-based variation, use the same quantity of a vegan fish-sauce alternative with comparable saltiness, and check that it contains no seafood.Products vary, so this substitution changes the seasoning; do not assume every vegan sauce behaves identically.Keep the measured salt and the radish liquid, and use the refrigerator method.
Do I need a rice paste or salted shrimp?
Neither is needed for this simple version.Other recipes use cooked rice, rice-flour paste, salted shrimp or fruit, but a good small batch does not need every possible ingredient.The fish sauce supplies the savory seasoning here.
Why did my radish turn soft?
Very small cubes, a spongy radish or prolonged warm storage can all affect the texture.Some softening happens as kimchi ages, but a slimy texture or visible mold is a reason to discard the batch.Do not try to rescue moldy kimchi by scraping the surface.
Can I use ordinary round red radishes?
They make a different kind of radish kimchi and do not give the same chunky white cubes.For the closest result in this recipe, use Korean mu or daikon.
Storage and Serving
Keep the kimchi refrigerated at 4°C (40°F) or below after preparation or the short room-temperature start.For a small home batch, plan to enjoy it within about a week for best quality and follow current food-preservation guidance for longer storage.The flavor will continue to change even when chilled.Discard the batch if there is visible mold, unusual discoloration, a rotten odor or a slimy texture, and do not taste food you suspect has spoiled.
Serve a small bowl alongside rice, a mild chicken soup or a warm noodle soup.The crunchy cubes are particularly useful beside soft noodles and clear broth.For more ideas, browse the Taste Korea recipe collection.
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