Cold Soy Milk Noodle Soup (Kongguksu)

User Reviews

5.0

3 reviews
Excellent
  • Prep Time

    3 hrs

  • Cook Time

    mins

  • Total Time

    3 hrs 20 mins

  • Servings

    4

  • Calories

    209 kcal

  • Course

    Main Course, Soup

  • Cuisine

    Korean

Cold Soy Milk Noodle Soup (Kongguksu)

Soybeans are cooked and blended to make home made fresh soy milk which is then chilled and served with noodles and cucumbers. Seasoned simply with salt and sesame seeds. So healthy and delicious.

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Ingredients

Servings
  • 1 cup dry soybeans (for tofu making) (200 g / 7 oz)
  • 1 pkg wheat or buckwheat noodles (buckwheat noodles - don’t overcook noodles)
  • 10 cups water (5 cups / 1.2 L for boiling, 5 cups / 1.2 L for blending)
  • 1/4 cup cucumber (julienned)
  • 4 pieces watermelon triangles (optional)
  • sesame seeds (crushed)
  • 1 tsp Sea Salt (Trader Joe's) (for 8 cup / 1.92 L soy milk)
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Instructions

  1. Soak dry soybeans 3 hrs to overnight until they are fully rehydrated. If the weather is really warm, soak overnight in the fridge. 1 cup dry soybeans will be about 2 1/2 cup when fully soaked.
  2. Rinse soybeans. Discard any soybean skins/casings that float to the top. But you can just blend the whole thing including the casings, not a big deal.
  3. Add rehydrated, cleaned soybeans and 4-5 cups of water in a pot and bring to boil. Cook UNCOVERED.Watch closely so that it does not overflow.
  4. Once it starts to boil, reduce heat to medium.
  5. Cook for 7 -8 minutes until soybeans are fully cooked. Take a couple beans and taste it. It should still be slightly crunchy but fully cooked when done.
  6. Drain cooked soybeans and let it cool.
  7. Cook noodles according to package directions but on the al dente side. I made mine with leftover buckwheat noodles but you can use any generic Korean noodles for udon 우동, kalguksu 칼국수 or jjajangmyeon 짜장면. Just don’t use too soft, too thin noodles like somyeon 소면 or rice noodles because the soup is thick and substantial and you need chewy, thicker noodles that can stand up to that.
  8. While the noodles are cooking, julienne cucumbers to use as topping. Optionally, you can slice some watermelons into triangles or just use a big spoon to make a couple scoops.
  9. In a blender, add cooked soybeans (doesn’t have to be completely cooled, just cool enough for you to handle) and add about 2 cups of cold water. It makes about 3 1/2 cups in the blender.Blend until smooth until you really don’t see a lot of movement in the blender which means it’s getting too thick to blend.
  10. Add 1 cup cold water to blender and blend again. Again, blend until you don’t see much movement which means it’s time to add more water.
  11. Add 1 cup cold water to blender again and blend.
  12. If you need to serve immediately, stop here and add 1 1/2 cups of ice and stir to cool down the liquid.
  13. If you have time to chill, add 1 cup water and blend one final time. This time you should see some foam at the top.
  14. Chill in refrigerator for few hours before serving.
  15. When ready to serve, in a bowl add the noodles and pour soy milk on top. Garnish with cucumbers and watermelon.
  16. It tastes best when the salt and crushed sesame seeds are added at the table individually after it is served. Each person can season this fabulous Cold Soy Milk Noodle Soup to their liking. As a general guideline, use about 1/4 tsp sea salt to 2 cups of soy milk – which is probably a good amount for each big bowl of serving.

Notes

  • Kongguksu will not taste as good if it’s not salted enough. Use good quality salt, add the right amount (1/4 tsp per 2 cups of soy milk) and make sure you stir it well so it is fully distributed in the soup. I assumed 1 tsp sea salt for the recipe nutritional calculation.Serve with spicy kimchi or side dishes like oi muchim (Korean cucumber salad). Also Korean fried chicken wings should go great!Kongguk or home made soy milk will keep fresh in the fridge for 4-5 days. You can also freeze it and use it again later.

Nutrition Information

Show Details
Calories 209kcal (10%) Carbohydrates 14g (5%) Protein 17g (34%) Fat 9g (14%) Saturated Fat 1g (5%) Sodium 474mg (20%) Potassium 845mg (24%) Fiber 4g (16%) Sugar 3g (6%) Vitamin C 2.8mg (3%) Calcium 148mg (15%) Iron 7.3mg (41%)

Nutrition Facts

Serving: 4Serving

Amount Per Serving

Calories 209 kcal

% Daily Value*

Calories 209kcal 10%
Carbohydrates 14g 5%
Protein 17g 34%
Fat 9g 14%
Saturated Fat 1g 5%
Sodium 474mg 20%
Potassium 845mg 18%
Fiber 4g 16%
Sugar 3g 6%
Vitamin C 2.8mg 3%
Calcium 148mg 15%
Iron 7.3mg 41%

* Percent Daily Values are based on a 2,000 calorie diet.

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