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Kkakdugi

깍두기
kkakdugi

Kimchi made by cutting radish into large cubes and mixing it with red pepper powder, garlic, and fermented shrimp. It has more moisture and a crunchier texture than Napa cabbage kimchi, and the longer it ferments, the more sour and effervescent the broth becomes.

Category
Kimchi

Cultural background

It is a staple side dish on family dining tables and is usually provided as a standard side at almost every restaurant, served without special order. Kimjang (the preparation of fermented vegetables) is done in late autumn to early winter, and each household has its own unique taste, symbolizing 'mother’s hand taste.'

Origin & history

The name Kkakdugi is thought to come from the cube-like shape of radish cut into ‘깍둑썰기’ (kkakduk-sseolgi, dicing). Rather than thin slices, the kimchi is made in bite-size chunks, which brings out more of the radish's natural sweetness and satisfying crunch.

Several theories have been passed down, including one account that says it was made in the royal court, but its exact beginnings remain unclear. In Korean food culture, where radish is eaten often, Kkakdugi became widely established as a radish kimchi that, unlike Napa Cabbage Kimchi, is easy to make and eat after a relatively short time.

Regional & modern variations

  • Seolleongtang-Restaurant Kkakdugi — A style often served at Seolleongtang or Gomtang restaurants. Made to go with soupy dishes, it tends to have relatively pronounced sweetness and saltiness, with a generous amount of kimchi brine.
  • Oyster Cubed Radish Kimchi — Kkakdugi made with raw oysters. The oysters add a briny aroma and umami, but the kimchi ferments quickly and has a distinct seafood scent.
  • Seokbakji — A radish kimchi made by cutting radish into pieces that are larger and flatter than standard dice. Closely related to Kkakdugi, it can be found at gukbap restaurants or places specializing in tang soups.

How Koreans eat it

Kkakdugi pairs especially well with milky meat broths. Between spoonfuls of rich, mellow soups such as Seolleongtang, Gomtang, and Galbitang, the crisp, tangy radish refreshes the palate. In Korean restaurants, some diners add a little Kkakdugi brine to gukbap or Seolleongtang for extra seasoning and acidity.

Taste & how to choose

Good Kkakdugi should not be mushy; the radish should break with a firm bite. If the pieces are too large, the seasoning may not penetrate all the way through and the inside can taste bland; if it is over-fermented, the sourness becomes strong. Kkakdugi is at its best when the surface has not dried out and the red seasoning and brine have soaked in evenly.

Similar dishes

Goes well with

Seolleongtang— Mild soup dish
Gomtang— Hearty meat soup dish

Frequently asked questions

Can I add Kkakdugi brine to soup?
With Seolleongtang or gukbap, this is a common way to eat it. Since the broth's flavor changes immediately, though, it is best to start with just one or two spoonfuls.
Why is Kkakdugi crunchier than Napa Cabbage Kimchi?
Because the radish is cut into thick cubes before being made into kimchi. Radish has a firmer structure than leafy Napa cabbage, so it keeps its bite for a long time even after fermentation.
If Kkakdugi tastes slightly fizzy, has it gone bad?
A light fizz and sourness can be signs that fermentation is under way. If you notice mold, a strong foul smell, or an overly mushy texture, it is better not to eat it.

Last reviewed: 2026-10-07