Soy milk noodle soup

Kongguksu 콩국수

Cold soy milk noodle soup (Kongguksu: 콩국수) is great for the summertime: it’s a dish of thin wheat flour noodles in a cold, creamy, nutty and refreshing soy milk broth.

I first shared my kongguksu recipe on my website nine years ago! I’m always experimenting and testing in my kitchen to make more delicious version of my recipes, so now it’s time to share this new version. The real secret to this recipe is in making nice smooth soy milk. A powerful blender is useful or you can just keep grinding the beans until you have smooth milk.

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Let’s make such a simple, quick, nutritious, and delicious kongguksu and enjoy our summer!

Ingredients (2 servings)

  • ½ cup dried soy beans (90 grams), washed and soaked in cold water for overnight
  • 2 tablespoons toasted sesame seeds
  • 2 tablespoons pine nuts
  • 8 ounces somyeon (thin wheat flour noodles)
  • 1½ teaspoons salt
  • 1 hard boiled egg, shelled and cut into 8 equal pieces
  • ½ cup cucumber matchsticks
  • 1 small tomato, sliced
  • 10 to 12 ice cubes, optionalsoy milk noodle soup (kongguksu: 콩국수)Soaked soy beans

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Directions

Make the soy milk

  1. Strain the beans and add them to a heavy pot with 2 cups of water. Cook for 15 minutes over medium high heat, uncovered. Then cover and simmer for another 5 minutes over low heat.soy milk noodle soup (kongguksu: 콩국수)
  2. Remove from the heat. Uncover, stir, and let them cool down for 10 minutes.
  3. Transfer the beans and the water from cooking them (about ½ cup) to a blender. Add 3 cups of cold water, the pine nuts, and the sesame seeds. 
  4. Blend at high speed for 1 to 2 minutes, until everything is smooth and creamy. It may take longer depending on the power of your blenders.soy milk noodle soup (kongguksu: 콩국수)
  5. Transfer the soy milk to an airtight container or glass jar and refrigerate for up to 24 hours until you’re ready to make kongguksu.

Cook the noodles

  1. Bring a large pot of water to a boil over medium high heat.
  2. Add the noodles and stir them with a wooden spoon so they don’t stick together. Cook for 2 to 3 minutes. If it boils over, stir and crack the lid.soy milk noodle soup (kongguksu: 콩국수)
  3. Taste a sample to see if the noodles are cooked. You can use chopsticks or tongs. There shouldn’t be anything hard in the noodles when you chew them. If there is, cook them longer. If they are done, remove from the heat.
  4. Transfer the noodles to a large strainer and rinse them in cold running water. Gently rub the noodles between your palms and in the strainer until they are cold and not slippery. Divide the noodles into 2 equal portions and gently squeeze excess water from each portion and put them into 2 large shallow bowls.soy milk noodle soup (kongguksu: 콩국수)

Put it together

  1. Bring the soy milk from the refrigerator. Add the salt and stir it in well with a wooden spoon. You can add more or less salt depending on your taste.
  2. Pour the soy milk on top of the noodles in each bowl. Place cucumber, egg, tomato pieces on top of the noodles. Add some ice cubes if you use. Serve right away with kimchi and a few more side dishes.soy milk noodle soup (kongguksu: 콩국수)

soy milk noodle soup (kongguksu: 콩국수)

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89 Comments:

  1. JasminVegQueen Florida, USA joined 12/18 & has 1 comment

    Maangchi,

    Your Kongguksu recipe was so delicious! It would have been perfect on its own but we ate it with some side dishes.

    It’s almost always warm in Florida so my husband and I make your cold soup recipes all year long!

    Jasmin :)


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  2. Papa_kulit Houston, Texas joined 9/18 & has 7 comments

    Hi Maangchi! Does this taste like soya milk?

  3. maybetomorrow USA joined 8/18 & has 1 comment

    Looks great! Thanks!

  4. MissMik Philippines joined 7/18 & has 1 comment

    Hi Maangchi!

    I’m a big fan of your channel. I’ve learned all the Korean dishes I know just from watching your show. I hope someday I will be able to meet you and send my greetings to you personally. :)

    This recipe I have been watching several time. And I noticed that you added ice. I just thought, would it be okay as well if I blend it with ice? Since I will be adding water when I puree the soybean, ice might water it down and affect the flavor? :D Hehe.. Just my thought..

    Let me know what you think..

    Thanks,
    Mik

  5. Mariegael Ohio joined 8/17 & has 3 comments

    I saw this soup being served on a hot day on a kdrama. It looked so good, I immediately backed it up to see what it was called. Then I searched your site to find the recipe. I use your recipes all the time. ^_^
    Today I wanted it but I was too tired to make soy milk. I used to live in Thailand so I am familiar with the taste of homemade soy milk. So, I tried buying plain soy milk with no sugar. I only added salt and mixed nuts & it tasted wonderful! I am glad it worked. The soup was so refreshing and I will make it many more times before it gets cold outside.
    Question: I cannot eat wheat so I used very thin sweet potato noodles and they were nice, but do you have any other ideas for a good replacement noodle that is not made of wheat?

  6. annapaek joined 7/15 & has 4 comments

    Thanks for the recipe!!!!


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  7. Joyce Irvine, CA. joined 9/09 & has 15 comments

    I love love love this recipe! Thank you as always… I posted some photos of my own version on my blog but it’s not as good as yours… still, I enjoyed every bite! It’s been a while Maangchi, when are you coming back to L.A.? Hope everything is well with you…

  8. Naiseen Czech republic joined 7/14 & has 1 comment

    Hello Maangchi! ;)

    Thank you soooo much for this recipe! I loved those in Korea and I really can enjoy them home too! It’s really hot here in Czech these days so it fits the time even more! ;)

    Thanks a lot! You are really great! I cook according to your recipes for a long time and all of them are great and easy to make! ;)

  9. gogoboo China joined 4/13 & has 3 comments

    hello maangchi! i have been following your recipes for a while now, and this is the best korean cooking websites I ever found! all your recipes are delicious and easy to follow (especially with the pictures).
    I’m wondering what kind of mixed nuts you used? peanuts, almonds, walnuts? or maybe other kind of nuts? I just hope it’s not as expensive as pine nuts.
    I made your yak gochujang recipes. yes, it turned out great. and yes, my sister LOVED it, but the costs made me CAN’T include it in my student’s daily recipes

  10. Myao USA joined 6/12 & has 4 comments

    Maangchi, this is my favorite food ever! :) I can’t thank you enough for sharing this recipe. I eat this every day! I find one batch can make me four servings of kongguksu, which is amazing. I cook 2 cups of soybeans at a time now and freeze 4 bags at a time, so I can always have some homemade soymilk on hand for delicious kongguksu! The nuts really add such a delicious taste to the milk.

    Is it bad that I really love mine with tons of cucumber and tomato? :) I always add a bunch of cucumber and fresh grape tomato from my garden! It started off as just a garnish, but then… it just piled on higher and higher on my kongguksu, like it was part of the meal! Oops! Did you say this could be eaten with watermelon, too? I really want to try that! What else would taste good in kongguksu? :D

    • Maangchi New York City joined 8/08 & has 11,532 comments

      “I cook 2 cups of soybeans at a time now and freeze 4 bags at a time, so I can always have some homemade soymilk on hand for delicious kongguksu!” What a great tip it is!
      My cousin has been making soy milk for her family for years and years just like you!
      If you have time, please copy your post and paste it on the forum so that I can give the link if I’m asked by my new readers.
      https://www.maangchi.com/talk/forum/general-discussion

      Add as much cucumber and tomato as you want. Why not? I’m not familiar with using watermelon though. I like to eat watermelon by itself. : )

  11. janicedale Australia joined 2/12 & has 16 comments

    This recipe looks delicious and I want to try this at home. I am sure my family would really like it also.We all know that Korean cuisines are very healthy and delicious just like this kongguksu. Thank you Maangchi for the recipes that you’ve shared in here. Keep on posting lots of recipes.

    • Maangchi New York City joined 8/08 & has 11,532 comments

      Thank you so much for your nice words! Yes, this kongguksu broth is really delicious.
      My cousine has been making it every morning for breakfast for her and her husband for years.
      She put each portion of cooked soybeans in the freezer and every morning take one package and blend it with nuts and milk. She eats it with vegetable and fruit salad. She is in her 60s but she doesn’t have any problems with her health and besides she looks really younger than her age.

  12. Sali joined 6/12 & has 12 comments

    I was just thinking “oh it’s been so hot lately, I want to try making this” so I got the soybeans and let them soak overnight. But it had been raining all night, so it’s not hot at all anymore, lol. Instead, I made the broth and had it with my morning porridge. Usually I use just regular milk but this was so delicious I might switch to soymilk permanently. :D

  13. cluvy Singapore joined 12/11 & has 7 comments

    I think this is too healthy for me :x but it’s a wonderful recipe. The tomatoes helped to add some natural saltiness. The cucumber added crunch to the noodles. I used somen and it was good. I had extra unsalted soy milk so it became my breakfast the next day. I blended it with some honey!

  14. verejen NYC joined 9/11 & has 1 comment

    Hi Maangchi! I just came across your website last night after i had a sudden craving for Konggooksoo. I did not know that it was so easy to make! OMG I love your recipes and I have been hooked since last night viewing your youtube videos. I am Korean but don’t know how to cook very well since my mom used to do all the cooking but now she’s back in Korea and nobody to cook Korean food! You make it look so easy to cook. You are like a Jamie Oliver for Korean food.

    • Maangchi New York City joined 8/08 & has 11,532 comments

      Thank you for your cool compliment! Especially because I am a huge fan of Jamie Oliver! : ) Kongguksu is delicious! My cousin drinks homemade soy milk for breakfast, without noodles. Healthy and delicious food

  15. Soygirl379 Sacramento, CA joined 2/11 & has 3 comments

    언니!! Thank you so much for all your recipes!!! You are my life saver! 콩국수 was super delicious I finished all the soup to the very last drop! Even my mother in law said it was good and she is normally very picky about what she eats! I am truly thankful for your website! Because of you my family thinks I’m a chef ;)! I am going to make this again very soon! Yum! I didn’t even use mixed nuts or sesame seeds and it was still really good!

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