How to Make Cheonggukjang Jjigae Fermented Soybean Stew

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On cold winter evenings in Seoul, the unmistakable aroma of cheonggukjang jjigae (rich fermented soybean stew) floating down an apartment hallway is pure nostalgia. Some people outside Korea joke about its deep, pungent smell, but to anyone raised on traditional Korean home cooking, that earthy, nutty perfume means true comfort. While doenjang jjigae (soybean paste stew) is an everyday staple served year-round, cheonggukjang is its thicker, richer, and far more intense relative. It uses soybeans that are fermented for just two to three days without added salt, resulting in soft, whole beans coated in beneficial natural cultures and an unmatched depth of umami.

Growing up, my grandmother would ferment her own soybeans in warm clay pots wrapped in thick blankets during the winter months. Today, most Korean home cooks buy fresh or frozen cheonggukjang paste at neighborhood markets or local Asian groceries. The secret to a truly stellar pot of cheonggukjang jjigae lies in building a clean, savory broth base first, and adding the fermented beans near the end so their rich flavor and delicate beneficial microbes are preserved. This recipe brings authentic Seoul flavor to your kitchen using accessible techniques and easy ingredient workarounds.

Why This Works

• Late addition of paste: Stirring in the cheonggukjang toward the end of cooking preserves its volatile, complex aromas and keeps the delicate fermented whole beans intact instead of turning bitter.
• Pork and aged kimchi foundation: Searing sliced pork belly with sour kimchi renders savory fat that coats the vegetables and mellows the stew's heavy fermented bite.
• Double-pastes depth: Combining a small amount of salty doenjang (seasoned soybean paste) with rich cheonggukjang creates a perfectly balanced salinity profile without overpowering the dish with plain salt.

Ingredients

• For the Anchovy Broth:
  • 1 liter (about 4.25 cups) water
  • 10 large dried broth anchovies (gukmul-yong myeolchi), heads and guts removed
  • 1 piece dried kelp (dashima/kombu), about 5×5 cm (2×2 inches)
• For the Stew Base:
  • 200 g (about 7 oz) cheonggukjang paste (extra-fermented soybean paste)
  • 1 tbsp doenjang (standard Korean fermented soybean paste, such as CJ or Sunchang)
  • 150 g (about 5.3 oz) pork belly or pork shoulder, sliced thin
  • 100 g (about 1 cup) well-fermented napa cabbage kimchi, chopped coarsely
  • 200 g (about 7 oz) medium-firm tofu, cut into 1.5 cm (1/2-inch) cubes
  • 1/2 medium yellow onion (about 100 g / 3.5 oz), sliced into bite-sized pieces
  • 1/2 small zucchini (about 100 g / 3.5 oz), halved lengthwise and cut into 0.5 cm (1/4-inch) slices
  • 1 tbsp minced garlic
  • 2 green onions (scallions), chopped into 2.5 cm (1-inch) pieces
  • 1 fresh green chili pepper (such as serrano or jalapeno), sliced thin
  • 1 fresh red chili pepper (optional, for color), sliced thin
  • 1 tsp gochugaru (Korean red pepper flakes), optional for mild heat

Substitutions

If you shop primarily at standard Western grocery stores, a few smart swaps will keep your stew on track without losing its soul:

• Broth Base: If dried anchovies and dried kelp are hard to find, use 1 liter (4.25 cups) of store-bought low-sodium vegetable or chicken broth. Alternatively, Korean dashi broth tablets available online work brilliantly.
• Cheonggukjang Paste: You can find tubbed or vacuum-sealed cheonggukjang paste in the refrigerator or freezer section of any Korean market or on Amazon. In a pinch, mash 1 pack of Japanese natto (fermented whole soybeans) and combine it with 2 tablespoons of standard Japanese red miso or Korean doenjang to simulate the whole-bean texture and funk.
• Pork: Thinly sliced beef brisket (chadolbaegi), canned tuna drained of oil, or fresh shiitake mushrooms make excellent alternatives for the protein base.

How to Make It

1. Prepare the stock baseline: Place 1 liter (4.25 cups) of water, the gutted dried anchovies, and the piece of dried kelp in a medium pot. Bring to a gentle simmer over medium-high heat. Remove the kelp after 5 minutes of simmering to prevent excess mucilage and bitterness from leaching into the water. Continue simmering the anchovies for another 10 minutes, then strain out and discard the solids. Set the clear stock aside.
   
   Why: Extracting broth ingredients at lower temperatures pulls clean glutamates without boiling off delicate ocean notes or introducing harsh bitterness.
2. Sauté the pork and aged kimchi: Set a medium earthenware pot (ttukbaegi) or heavy Dutch oven over medium heat. Add the sliced pork belly and chopped kimchi. Cook for 3 to 4 minutes, stirring constantly, until the pork fat begins to render and the kimchi turns soft and translucent.
   
   Why: Stir-frying caramelizes the natural sugars in aged kimchi and melts animal fats, creating an emulsion that gives the stew broth a round, rich body.
3. Simmer the vegetable base: Pour the prepared anchovy stock directly into the pot with the rendered pork and kimchi. Add the sliced yellow onion, zucchini, and minced garlic. Turn the heat to high until the liquid comes to a rolling boil, then reduce heat to medium and simmer for 5 minutes until the vegetables start softening.
   
   Why: Pre-cooking sturdy vegetables ensures their natural sweetness infuses the broth before delicate seasonings are added.
4. Incorporate the fermented pastes: Lower the heat to medium-low. Whisk in 1 tablespoon of standard doenjang until fully dissolved. Next, scoop in 200 g (7 oz) of cheonggukjang paste. Break up the block gently with a spoon or chopsticks, leaving plenty of the soft, whole soybeans intact in the liquid.
   
   Why: Doenjang supplies essential saltiness, while adding cheonggukjang late under lower heat prevents scorching and protects delicate fragrant aromatics.
5. Add tofu, chilies, and final aromatics: Carefully slide the cubed tofu, sliced green onions, green chilies, red chilies, and optional gochugaru into the bubbling stew. Let everything simmer gently together for 3 to 4 minutes so the tofu absorbs the rich soup base.
   
   Why: Medium-firm tofu acts like a sponge; a brief final simmer seasons the bean curd cubes without causing them to break down or turn tough.
6. Taste and serve: Turn off the heat while the stew is still bubbling aggressively. Taste the broth—if you prefer a saltier finish, add a small splash of soup soy sauce (guk-ganjang) or a pinch more doenjang. Serve hot directly from the pot with freshly steamed white rice.

Tips from a Korean Kitchen

• Use well-fermented kimchi: Freshly made kimchi will taste sharp and grassy when boiled. Look for kimchi that is deeply sour and softened (often labeled as ripe or sour kimchi) so its natural acidity cuts through the heavy bean texture.
• Do not boil the cheonggukjang paste too long: Over-boiling destroys the active beneficial cultures and deadens the delicate, complex aromatics of the fermented beans. Always dissolve it near the end of the cooking process.

Scaling & Make-Ahead

Scaling: You can easily double the batch for family gatherings. Use a larger pot and keep the ingredient ratios identical, though you may need 1 to 2 extra minutes of simmer time for the vegetables to cook through.

Make-Ahead: The anchovy-kelp broth can be brewed up to 3 days in advance and kept in an airtight container in the refrigerator. Chop the vegetables and pork a day ahead. However, avoid adding the cheonggukjang paste until right before serving, as re-heating cooked cheonggukjang stew repeatedly dulls its vibrant flavor profile.

If Something Goes Wrong

Problem	Likely Cause	Fix
Stew tastes bitter or astringent	Kelp was boiled too long or anchovies were not gutted before making stock	Dilute the stew with a splash of water or unsalted broth, and add a small pinch of sugar or extra tofu cubes to absorb harsh flavors.
Broth tastes flat or lacks salt	Cheonggukjang contains no added salt, and not enough doenjang was used	Stir in an additional teaspoon of doenjang or a light splash of Korean soup soy sauce (guk-ganjang) until seasoned to taste.
Fermented aroma feels overwhelming	Insufficient acidic elements or rendered fat to balance the rich beans	Add a little extra sour kimchi juice, more sliced pork, or dilute with a bit of broth to restore balance.

Key Takeaways

• Late Addition Preserves Flavor: Adding cheonggukjang near the end of cooking protects its delicate aromatics, probiotics, and rich whole-bean texture.
• Balance with Doenjang and Kimchi: Combining salty doenjang with acidic aged kimchi and pork fat creates a perfectly balanced, savory foundation for the un-salted fermented beans.
• Anchor with Fresh Broth: A quick dried anchovy and kelp stock delivers clean umami depth without muddying the stew’s natural nutty profile.

More Korean Recipes

• Comforting Korean Cabbage Soup: Baechu Doenjang Guk (배추 된장국)
• Creamy Korean Oxtail Soup (Kkori Gomtang)
• Jjamppong (Spicy Seafood Noodle Soup) – A Home Cook’s Recipe
• Home-Style Sujebi (Korean Hand-Torn Noodle Soup) Recipe