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Kongguksu

Cold soybean noodle soup with a creamy, rich broth and crisp vegetables. A beloved Korean summer dish.

20 minEasyServes 2340 cal/serving

KoreanLunchBlenderVegetarian

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Ingredients

  • 3 cups unsweetened soy milk
  • 1 cup frozen edamame (or cooked soybeans), thawed
  • 1 tbsp sesame paste (tahini)
  • 1 tbsp soy sauce
  • 1 tsp rice vinegar
  • 2 garlic cloves, minced
  • 1 tsp sugar
  • pinch salt
  • 2 cups ice water (or cold water with ice)
  • 4 oz dried soba or wheat noodles, cooked and cooled
  • 1/2 cucumber, julienned
  • 1/2 tomato, thinly sliced
  • 2 tsp sesame seeds
  • 2 green onions, chopped

Instructions

  1. 1

    Blend 3 cups unsweetened soy milk, 1 cup thawed frozen edamame (or cooked soybeans), 1 tbsp sesame paste (tahini), 2 minced garlic cloves, 1 tbsp soy sauce, 1 tsp rice vinegar, and 1 tsp sugar until smooth and creamy.

  2. 2

    Strain the mixture through a fine-mesh sieve into a large bowl.

  3. 3

    Stir in pinch salt to taste. Refrigerate until ready to serve.

  4. 4

    Cook 4 oz cooked and cooled dried soba or wheat noodles according to package directions, then drain and rinse with cold water. Chill.

  5. 5

    To serve, divide the cooked dried soba or wheat noodles among serving bowls.

  6. 6

    Pour the chilled unsweetened soy milk broth over the dried soba or wheat noodles.

  7. 7

    Add 2 cups ice water (or cold water with ice) to reach desired consistency.

  8. 8

    Top with 1/2 julienned cucumber, 1/2 thinly sliced tomato, and 2 chopped green onions.

  9. 9

    Garnish with 2 tsp sesame seeds and serve immediately.

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Questions

What is Kongguksu?

Cold soybean noodle soup with a creamy, rich broth and crisp vegetables. A beloved Korean summer dish. This reference files it under Korean lunch: made in a blender, rated easy and about 20 minutes start to finish.

Is there a substitute for tahini in Kongguksu?

The entry for Kongguksu calls for 1 tbsp sesame paste (tahini). In its place: Unsweetened sunflower seed butter or cashew butter is the closest. Smooth natural peanut butter works where its flavor will not fight the dish.

Can I make Kongguksu gluten-free?

Yes. The gluten in Kongguksu is 1 tbsp soy sauce, 4 oz dried soba or wheat noodles, cooked and cooled. Swap the soy-based sauce for tamari or coconut aminos; the pasta for a gluten-free one, cooked a minute short of its package time. Everything else proceeds as written.

Does Kongguksu contain sesame?

Yes: 1 tbsp sesame paste (tahini) and 2 tsp sesame seeds. The full allergen list for this entry is gluten, soy and sesame. Seeds used as a garnish can simply be left off; the oil has no true substitute. Packaged ingredients vary by brand, so check labels if the allergy is serious.

How long does Kongguksu keep?

Refrigerate Kongguksu in a sealed container for up to four days and stir it back together before serving.

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