Korean Soy-Marinated Soybean Leaves
Quick answer
Kongnip-jangajji is soybean leaves preserved in a seasoned soy brine - one of the two major leaf jangajji traditions alongside perilla leaf (kkaennip) jangajji.
What makes this special
- Large soybean leaves are preserved in a cool soy brine to maintain a firm texture.
- Brine must be fully cooled before pouring to keep the leaves firm
- Garlic, chili, and onion slowly infuse the brine during aging
Key ingredients
Core cooking flow
- 1 Rinse 120 g soybean leaves one by one under running water, rubbing both sides to remove soil.
- 2 Put 200 ml soy sauce, 200 ml water, 3 tablespoons vinegar, and 2 tablespoons sugar in a pot.
- 3 Let the boiled brine cool completely at room temperature.
Kongnip-jangajji is soybean leaves preserved in a seasoned soy brine - one of the two major leaf jangajji traditions alongside perilla leaf (kkaennip) jangajji. Soybean leaves are larger and thicker than perilla leaves, taking longer to absorb the pickling liquid but offering a more substantial chew, with each leaf large enough to wrap around a spoonful of rice. The brine - soy sauce, water, vinegar, and sugar boiled together - must cool completely before pouring over the leaves; hot liquid softens them into a limp state, destroying the desired texture. Garlic cloves, cheongyang chili, and onion slices added to the jar infuse the brine with aromatic complexity during the curing process, producing a more layered flavor than plain soy. A minimum of two days of refrigerated aging is needed for the seasoning to reach the leaf interior, and flipping the layers once daily ensures even penetration. The most common way to eat it is draped over hot steamed rice, ssam-style.
Instructions
Read the steps as a cooking flow: prep, heat, seasoning, doneness control, and finish.
- 1Step
Rinse 120 g soybean leaves one by one under running water, rubbing both sides to remove soil.
Check around the thicker stem ends as well, then drain in a colander or rack for about 10 minutes.
- 2Control
Put 200 ml soy sauce, 200 ml water, 3 tablespoons vinegar, and 2 tablespoons sugar in a pot.
Heat over medium heat, stirring until it comes to a boil and the sugar fully dissolves, then turn off the heat.
- 3Heat
Let the boiled brine cool completely at room temperature.
If you can still feel heat when you place your hand near it, wait longer, because warm brine can soften the thick leaves too much.
- 4Prep
Slice 5 garlic cloves thinly, cut 2 cheongyang chilies on the diagonal, and slice 60 g onion thinly.
Add them to the cooled brine and stir so the aromatics are evenly distributed.
- 5Step
Place the soybean leaves in a clean container, stacking about 5 leaves at a time in the same direction.
Pour in the cooled brine until every leaf is submerged, then close the lid tightly.
- 6Finish
Refrigerate for at least 2 days, flipping the layers once a day so the brine seasons them evenly.
It is ready when the soy color reaches the center of the leaves; serve over hot rice.
After the steps
Pick a recipe that fits this dish.
Continue with shared ingredients, meal pairings, or a similar method.
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Gochuip jangajji is a Korean soy pickle made from pepper leaves, a summer byproduct of chili cultivation, washed and submerged in a boiled brine of soy sauce, vinegar, and sugar. Unlike the chili fruit, pepper leaves carry almost no heat. What they bring instead is a grassy, mildly bitter fragrance that blends naturally with the savory and sour notes of the brine. Boiling the pickling liquid first and letting it cool before pouring it over the leaves preserves some of their texture while ensuring even seasoning throughout. Garlic and cheongyang chili contribute a sharp, pungent edge to the liquid, and the thin leaves absorb the brine fully within a single day. Over time, the pickling liquid penetrates deeper and the umami grows more pronounced. Laying one leaf over rice and folding it into a small parcel combines the roles of banchan and ssam in a single, compact bite.
Korean Soy Pickled Perilla Leaves
Kkaennip jangajji is a Korean soy-pickled perilla leaf side dish made by layering thoroughly dried leaves in a brine of boiled soy sauce, rice vinegar, and sugar with garlic and cheongyang chili. One of the most important steps is bringing the brine to a full boil and then allowing it to cool completely before pouring it over the leaves. Hot brine wilts the leaves immediately and collapses their structure, while a cooled brine preserves their shape and allows the seasoning to penetrate evenly over the resting period. The perilla's bold herbal fragrance becomes rounder and less sharp when it comes into contact with the salty depth of the soy sauce, and the vinegar prevents the saltiness from becoming overwhelming, keeping the finish clean and bright. Cheongyang chili leaves a quiet but definite heat at the back of each bite, and garlic threads a pungent undercurrent through the entire flavor profile. Wrapped around a spoonful of plain white rice, a single leaf delivers its full herbal, savory character in one mouthful, and the combination is one of the most satisfying pairings in Korean home cooking. Stored in the refrigerator, the pickled leaves keep for well over a month, making this one of the most practical side dishes to prepare in advance.
Korean Steamed Zucchini with Salted Shrimp
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