Name: Kongnip-jangajji (콩잎장아찌, Doenjang-Cured Bean Leaves)
Prep time: 35 min
Cook time: 10 min
Total time: 240 h 45 min
Yield: 1 quart jar; 12 to 16 small banchan servings
Cuisine: Korean
Ingredients: 70 to 80 pesticide-free soybean leaves (kongnip), 180 to 220g, naturally yellowing if possible; 6 cups water; 135g coarse sea salt (cheonilyeom), about 1/2 cup depending on crystal size; 1 cup (260g) doenjang (Korean fermented soybean paste); 2 tablespoons Korean soy sauce (ganjang); 2 tablespoons rice syrup (ssal-jocheong) or maesil-cheong (green plum syrup); 1 tablespoon gochugaru (Korean chili flakes), optional; 4 garlic cloves, finely minced; 1 teaspoon grated fresh ginger; 1 to 2 tablespoons soju or boiled and cooled water, only if needed to loosen the paste; 1/2 teaspoon toasted sesame oil per 10 leaves, for serving; 1 teaspoon toasted sesame seeds, for serving; 1 small green chili, thinly sliced, optional, for serving

Question 1

What kind of soybean leaves should I use for kongnip jangajji?

Accepted Answer

Use 70 to 80 pesticide-free soybean leaves that are yellow-green or just beginning to yellow, still supple, and not brown, dry, or torn. Naturally yellowing late-summer soybean leaves give kongnip jangajji its deep, slightly bitter Gyeongsang flavor and cure more evenly than tangled fresh green leaves.

Question 2

How long do soybean leaves need to cure for kongnip jangajji?

Accepted Answer

Kongnip jangajji needs 3 days in hot salt brine, then at least 7 days under doenjang paste in the refrigerator. The flavor becomes deeper after 14 days. Turn the brined leaf stack once daily, then press and recoat the doenjang-cured leaves every 2 days during the first week.

Question 3

Can I use salted or frozen soybean leaves for kongnip jangajji?

Accepted Answer

Yes. Salted or frozen sakhin kongnip, Korean salt-cured soybean leaves, can replace fresh leaves. Soak the prepared leaves in cold water for 20 to 40 minutes, taste for salt, dry them very well on a clean towel, and begin with the doenjang paste step.

Question 4

Why do I need to press the soybean leaves under the doenjang paste?

Accepted Answer

Pressing keeps the soybean leaves compressed so the doenjang paste reaches the middle layers, not only the outside leaves. Use a small plate, fermentation weight, or clean brine-filled bag. Without pressure, the paste stays on top and the center leaves remain unevenly cured.

Question 5

What should I do if the doenjang paste is too thick to spread?

Accepted Answer

Loosen very stiff doenjang paste with 1 tablespoon soju or boiled and cooled water. Add the second tablespoon only if the paste still tears the soybean leaves while spreading. The finished paste should spread like thick peanut butter, not pour like sauce.

Question 6

How do I store doenjang-cured soybean leaves safely?

Accepted Answer

Store doenjang-cured soybean leaves pressed under the paste in a covered refrigerator jar for up to 2 months. Use clean chopsticks every time, keep sesame oil out of the storage jar, and discard the batch if you see fuzzy mold, sliminess, or smell a harsh rotten odor.

Culinary Explorer

Kongnip-jangajji (콩잎장아찌, Doenjang-Cured Bean Leaves)

Ingredients

pesticide-free soybean leaves (kongnip)

water

coarse sea salt (cheonilyeom)

Where cooking meets culture.

Ingredient	Quantity
pesticide-free soybean leaves (kongnip)naturally yellowing if possible, washed, stems trimmed to 1/2 inch	70 to 80 leaves (180 to 220g)
water	6 cups
coarse sea salt (cheonilyeom)	135g, about 1/2 cup depending on crystal size