Korean Bok Choy Soybean Paste Soup
Soups Easy

Korean Bok Choy Soybean Paste Soup

Quick answer

Total time
33 min
Level
Easy
Servings
4 servings
Ingredients
8

About this dish

Cheonggyeongchae doenjang-guk is a Korean soybean paste soup built on anchovy-kelp stock, featuring bok choy, zucchini, and tofu.

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Unlike napa cabbage or spinach, bok choy brings a crisp, juicy stem alongside soft leaves, and it adds a mild, clean sweetness to the broth that differs from the earthier notes of Korean brassicas. The stock simmers first with onion and garlic for six minutes to build an aromatic base, and the doenjang is pressed through a sieve so it dissolves evenly without leaving paste clumps in the finished soup. Bok choy and tofu go in during the final three minutes, which is long enough to wilt the leaves while the stems keep their bite and the green color stays bright. Though bok choy is more common in Chinese cooking, it pairs naturally with doenjang and is available year-round in Korean supermarkets, making it a reliable alternative when napa cabbage is not on hand.

Ingredients

servings
IngredientAmountUnit
bok choy300 ggShop
doenjang tbsptbspShop
zucchini120 ggShop
onion90 ggShop
firm tofu180 ggShop
minced garlic1 tbsptbspShop
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Instructions

Read the steps as a cooking flow: prep, heat, seasoning, doneness control, and finish.

6 steps
  1. 1
    Heat

    Wash 300g bok choy well, especially around the base where grit collects.

    Quarter each head lengthwise, cut into 4cm pieces, and keep the crisp stems separate from the tender leaves for later cooking.

  2. 2
    Prep

    Slice 120g zucchini into 0.5cm half-moons so it softens without falling apart.

    Cut 90g onion into even strips, then cut 180g firm tofu into 2cm cubes that can be scooped easily with broth.

  3. 3
    Heat

    Pour 1200ml anchovy-kelp stock into a pot and press 2.5 tablespoons doenjang through a fine sieve into the liquid.

    Heat over medium until small bubbles rise across the surface, avoiding a hard boil at this stage.

  4. 4
    Control

    Add the onion, zucchini, and 1 tablespoon minced garlic, then simmer over medium heat for 6 minutes.

    The broth should smell savory, and the zucchini edges should look slightly translucent, not mushy.

  5. 5
    Control

    Add the tofu and bok choy stems first, then simmer for 1 minute 30 seconds.

    Slide them in gently with a spoon so the tofu stays intact and the stems begin to soften without losing crunch.

  6. 6
    Finish

    Add the bok choy leaves and 40g sliced green onion, then simmer for another 1 minute 30 seconds.

    Serve as soon as the leaves wilt but stay bright green, before the stems turn limp.

Practical Cooking Checks

The cues that matter most while cooking.

Key technique
Cheonggyeongchae doenjang guk highlights the crisp, juicy stems of bok choy in a savory soybean and tofu soup.
Finish cue
The broth should smell savory, and the zucchini edges should look slightly translucent, not mushy.
Avoid this
Do not overcook bok choy to keep sweetness and crunch.

Cooking decision evidence

Calculated Charim data and applicable official cooking and food safety guidance.

This recipe

33min, 8 ingredients

Category median

45min, 8 ingredients

Based on 310 recipes

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Tips

Straining doenjang gives a smoother broth.
Do not overcook bok choy to keep sweetness and crunch.

Estimated nutrition (per serving)

Calories
175
kcal
Protein
11
g
Carbs
13
g
Fat
9
g