Chewy Korean wheat noodles blanketed in a rich, dark chunjang black bean sauce with pork belly and vegetables.
Jjajangmyeon (짜장면) is one of Korea's most culturally iconic comfort foods — thick, chewy wheat noodles covered in a deeply savory, almost black sauce made from chunjang (fermented black bean paste), diced pork belly, onions and zucchini. The dish was introduced to Korea by Chinese immigrants from Shandong province in the late 19th and early 20th centuries and quickly became a beloved Korean-Chinese (Jungwhasik) staple that diverged considerably from its Chinese ancestor (zhajiangmian). Korean chunjang is darker, slightly sweeter and more pungent than Chinese doubanjiang or tianmianjiang; it is always first stir-fried in oil to reduce its bitterness before being combined with caramelized pork fat and vegetables into a glossy, rich sauce. Jjajangmyeon is the quintessential Korean delivery food — ordered for moving day (nationwide, Koreans traditionally eat jjajangmyeon when moving into a new home), consumed on Black Day (April 14, when single Koreans eat black food alone) and delivered by Chinese-Korean restaurants to every corner of the country. The noodles are always served with a side of yellow pickled radish and raw onions to cut through the richness.
Serves 4
Heat oil in a wok over medium-high heat. Add chunjang paste and stir-fry in the oil 2–3 minutes until the paste darkens and smells nutty, not raw. This step is essential to remove bitterness.
Fry the chunjang separately from the meat — this is the key Korean-Chinese technique that most home recipes skip.
Push the paste to one side. Add pork belly cubes and cook until browned and fat begins to render, about 4 minutes. Combine with the paste and stir-fry together 1 minute.
Add onion, zucchini and potato (if using). Stir-fry 3 minutes until slightly softened and coated in the black paste.
Add water or stock, oyster sauce, sugar and dark soy sauce. Bring to a boil and simmer 10 minutes until vegetables are cooked and sauce has reduced slightly.
Stir in cornstarch slurry and cook 1–2 minutes, stirring, until sauce is glossy and thick enough to coat the back of a spoon. Add sesame oil and stir.
Cook noodles per package directions, drain, and divide into bowls. Ladle the hot sauce over the noodles. Garnish with julienned cucumber.
Frying the chunjang paste in oil before adding other ingredients is non-negotiable — raw chunjang tastes bitter and unpleasant.
Don't rinse the noodles after cooking; the starch helps the sauce adhere. Toss them with a tiny bit of sesame oil to prevent sticking.
The sauce should be thick enough to cling to the noodles when lifted — if too thin, add more cornstarch slurry in small increments.
Ganjjajang: the 'dry' version with reduced sauce, darker and more intense, served with the sauce barely coating the noodles.
Jjajangbap: same black bean sauce served over steamed white rice instead of noodles.
Store sauce separately from noodles, refrigerated up to 3 days. Reheat sauce gently with a splash of water. Cook fresh noodles when serving — refrigerated cooked noodles become hard and clump together.
Jjajangmyeon was introduced to Korea by Chinese immigrants from Shandong Province in the late 19th century, with Incheon's Gonghwachun restaurant (founded 1905) often cited as the birthplace of the Korean adaptation. The dish was listed as a Korean cultural heritage food in 2006. The Korean version diverged significantly from Chinese zhajiangmian — using darker chunjang, sweeter sauce and the addition of pork belly rather than minced meat.
Chunjang is a fermented black soybean paste used specifically for jjajangmyeon — it is saltier and more pungent than Chinese black bean paste. It is sold at Korean grocery stores in jars or tins. Do not substitute with Chinese doubanjiang, which is chili-based and entirely different.
Yes — omit the pork and add extra firm tofu cubes or shiitake mushrooms for umami depth. Use vegetable stock and replace oyster sauce with soy sauce plus a pinch of sugar.
Glossiness comes from the cornstarch thickening — make sure you add the slurry when the sauce is actively simmering and stir continuously until it thickens and clears.
Per serving (450g / 15.9 oz) · 4 servings total
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