Salt-Brined Korean Cucumber Pickles
Quick answer
Oiji is a traditional Korean long-fermented cucumber pickle made by submerging whole cucumbers in a boiled brine of water, coarse salt, sugar, and a touch of vinegar, the...
What makes this special
- Whole cucumbers weighted under brine for five days develop the core-deep savory flavor of Oiji.
- Whole cucumbers weighted under brine for 5-plus days; salt permeates to the core
- Small amounts of vinegar and sugar in the boiled brine fine-tune acidity and sweetness
Key ingredients
Core cooking flow
- 1 Wash 1200 g Korean cucumbers under running water, rubbing the skins clean, then dry them well.
- 2 Put 1800 ml water, 160 g coarse salt, 2 tablespoons sugar, and 3 tablespoons vinegar in a pot.
- 3 When the brine reaches a steady boil, keep it boiling for about 1 minute so the seasoning becomes even.
Oiji is a traditional Korean long-fermented cucumber pickle made by submerging whole cucumbers in a boiled brine of water, coarse salt, sugar, and a touch of vinegar, then weighting them down so they stay fully immersed during at least five days of cold storage. Whole garlic cloves added to the jar release their aroma gradually into the brine. As the days pass, osmotic pressure draws moisture from the cucumbers while salt penetrates inward, producing a uniformly salty, firm pickle that retains its crunch far longer than quick-pickled varieties. Before serving, the oiji is sliced thin and soaked briefly in cold water to temper its saltiness, then dressed with sesame oil and gochugaru as a side dish, or dropped into a chilled broth for a refreshing summer soup.
Instructions
Read the steps as a cooking flow: prep, heat, seasoning, doneness control, and finish.
- 1Prep
Wash 1200 g Korean cucumbers under running water, rubbing the skins clean, then dry them well.
Trim only 2 to 3 mm from each end so the cucumbers stay firm and do not take in brine too quickly.
- 2Control
Put 1800 ml water, 160 g coarse salt, 2 tablespoons sugar, and 3 tablespoons vinegar in a pot.
Heat over medium heat, stirring until the salt and sugar dissolve fully and no grains remain on the bottom.
- 3Season
When the brine reaches a steady boil, keep it boiling for about 1 minute so the seasoning becomes even.
Turn off the heat and let the harsh steam settle briefly, but keep the brine hot for pouring.
- 4Control
Pack the cucumbers and 6 garlic cloves into a sterilized container with as little empty space as possible.
Pour in the hot brine slowly, making sure every cucumber is covered so exposed parts do not soften.
- 5Finish
Let the container cool completely at room temperature, then press the cucumbers down with a clean weight or heavy plate.
Check that nothing floats above the brine, because exposed cucumber can soften before curing properly.
- 6Finish
Refrigerate for at least 5 days, keeping the cucumbers submerged the whole time.
To serve, slice them thinly, soak briefly in cold water to adjust saltiness, then use them for seasoned side dishes or chilled soup.
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Korean Seasoned Cucumber Pickle Salad
Oiji-muchim takes oiji - cucumber that has been salt-brined for a month or longer - rinses out the excess salinity, and dresses it in a sweet-sour-spicy sauce. Oiji is a traditional Korean preserved food: summer cucumbers are submerged in a concentrated salt brine and aged until their moisture migrates out, transforming the texture from fresh and crisp into something firm, almost crunchy-chewy - a chew fundamentally different from raw cucumber. If the pickle is too salty, soaking in cold water for thirty minutes to an hour draws the brine down to a palatable level. After thorough squeezing, the cucumber pieces are tossed with gochugaru, vinegar, sugar, sesame oil, minced garlic, and scallion. Vinegar and sugar layer a bright sweet-sour dimension over the pickle's inherent saltiness, balancing it for pairing with rice. Julienned oiji absorbs more dressing and delivers a different eating experience than diagonal-cut slices - each approach has its advocates. Made during the summer cucumber glut, oiji keeps refrigerated for over a month.
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