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Salt-Brined Pickled CucumbersPhoto: wizdata, CC0, via Wikimedia Commons

Jangajji · Pickled 장아찌

Salt-Brined Pickled Cucumbers

오이지

Romanization: oiji

Whole cucumbers cured in a strong salt brine until golden and wrinkled — a summer staple that is soaked, sliced and served in cold water or dressed as oiji-muchim.

Serves
20
Prep
20 min
Cook
15 min

RegionSeoul & Gyeonggi

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Recipe

Ingredients · Serves 20

Method

Technique: Jangajji: Pickling in Jang

  1. Step 1: Scrub the cucumbers gently under running water and trim a sliver from the blossom end. Pack them snugly, standing or lying, in a clean crock, glass jar or food-grade container that can take boiling liquid.

  2. Step 2: Bring the water and salt to a rolling boil, stirring until dissolved, and pour it over the cucumbers while still boiling. Weigh them down with a heavy plate or a sealed bag of brine so that they stay fully submerged, and cover loosely.

  3. Step 3: Leave at cool room temperature (about 18–24°C). After 2–3 days, pour off the brine, bring it back to a boil, let it cool completely and pour it back over the cucumbers. Repeat once more 2–3 days later.

  4. Step 4: The oiji are ready in 7–10 days, when they are evenly yellow-green, slightly shriveled and crisp right through. Check every day or two and skim off any white film that forms on the surface.

  5. Step 5: Move the container to the refrigerator, keeping the cucumbers submerged. They keep for several months chilled; discard any that turn soft, slimy or bad-smelling.

  6. Step 6: To serve, slice thinly and soak in cold water for 10–30 minutes, tasting until the salt is pleasant. Float the slices in fresh cold water for oiji-naengguk, or squeeze them dry in a cloth and dress with garlic, gochugaru, sesame oil and a pinch of sugar for oiji-muchim.

Origin & History

Oiji are whole cucumbers cured in a strong salt brine until they turn yellow-green, wrinkled and crisp. Cucumbers have a long history in Korea: the Encyclopedia of Korean Folk Culture notes that cucumber seeds turn up among finds from around the 1st century BCE at the Sinchang-dong site in Gwangju. Late-Joseon household manuals record several cucumber pickles; the 1766 Jeungbo sallim gyeongje gives recipes seasoned with garlic, ginger, chili and chives, and Imwon gyeongjeji describes a salt-cured cucumber much like today's oiji.

Yongin, south of Seoul, was especially famous for it. Jeungbo sallim gyeongje and Gyuhap chongseo both carry Yongin-style cucumber pickles, and Buin pilji (1915), a later household manual, describes the method: whole cucumbers are covered with a brine of clear rice-rinsing water, cold water and salt; the next day the brine is drained off, brought to a boil, cooled and poured back, and the process is repeated six or seven times. Yongin oiji used midsummer cucumbers, and the pickles were eaten together with their brine.

Its classification has shifted. The folk encyclopedia observes that, strictly, brine-fermented oiji is a kind of kimchi, but most Koreans today think of it — especially once rinsed and dressed with garlic, chili and sesame oil — alongside jangajji and Western-style pickles. Leftover oiji used to be rinsed, dried and turned into soy-sauce jangajji so that nothing went to waste.

Nutrition

per serving (about 50 g, half a cucumber, unsoaked)
Calories6 kcal
Protein0.3 g
Fat0.1 g
Carbohydrates1.2 g
Fiber0.7 g
Sodium824 mg

Notable forVitamin K

From the Korean Food Composition Table entry “Cucumber, Salted” (오이지, 염절임; per 100 g: 11 kcal, 1.3 g fiber, 1,647 mg sodium, 17.9 µg vitamin K), scaled to the serving size. These figures are for oiji straight from the brine; soaking the slices before eating, as is customary, lowers the sodium by an amount the table does not report. Actual values vary with ingredients, portion size and preparation.

Health Benefits

  • Very low in calories: cucumbers are mostly water, and oiji has only about 6 kcal per half cucumber.
  • Summer refreshment: served in cold water, it was traditionally prized as a crisp, cooling side dish that revives the appetite in hot weather.
  • Brine fermentation: the cucumbers ripen in salt brine, a slow pickling process; how much benefit fermented pickles offer is still being researched.

Regional Variations

  • Yongin oiji (Gyeonggi): the historic regional style, cured in salted rice-rinsing water that is repeatedly boiled and returned to the crock.
  • Oiji-naengguk: thin slices soaked to remove excess salt and floated in cold water, sometimes with green onion and chili, as a refreshing summer soup.
  • Oiji-muchim: slices soaked, squeezed dry and dressed with garlic, gochugaru, sugar and sesame oil — the most common way to eat it today.
  • Oiji-jangajji: rinsed, dried oiji re-pickled in soy sauce so it keeps through the year.

Sources

  1. 01A study on the book Buinpilji (婦人必知, 1915) — ScienceON (KISTI)
  2. 02Korean Food Composition Table: Cucumber, Salted — National Institute of Agricultural Sciences
  3. 03오이지 - 한국민속대백과사전 (Encyclopedia of Korean Folk Culture)
  4. 04Dill Pickles (fermented) - National Center for Home Food Preservation
  5. 05Sodium in Your Diet - U.S. Food and Drug Administration

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