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    Home » Main Dishes

    Kongguksu (Chilled Soy Milk Noodle Soup)

    Published 07/15/2010. Updated 05/02/2021

    Jump to Recipe

    Kongguksu is a refreshing noodle dish in which noodles are served in savory soy milk. Perfect for hot summer days!

    DSC 1715 e1536078152215 - Kongguksu (Chilled Soy Milk Noodle Soup)

    Here is another terrific noodle dish that’s perfect for hot summer days! Kongguksu is a dish in which noodles are served in savory soy milk.

    Back when I was a little kid in a small town in Korea, there was a lady who went around our neighborhood door to door selling freshly made kongguksu. I will never forget how skillfully she carried a big container of cold soy milk on her head holding it with one hand, while carrying a basket containing mounds of cooked noodles in the other.

    A bowl of her refreshing kongguksu was always such a nice treat in the summertime. I can only imagine how much my mother appreciated this lady since she would get a break from cooking on a hot summer day and still be able to feed her family a delicious and healthy meal.

    Those good old days are gone, but kongguksu has remained as my family’s summer favorite. My mother still makes kongguksu quite often every summer. A few days ago, she called and told me to pick up some soy milk she had made. I am 50 some years old – oops now you know, but my mother still feels that she needs to take care of me. How lucky am I! I just had to cook some noodles and add the garnish to enjoy it for lunch next day.

    How to make soy milk

    Making soy milk is less work than you might imagine. Soaked soybeans are cooked, then pureed and filtered through a sieve.

    The key to making delicious soy milk for kongguksu is not to overcook the beans so that they retain their natural flavor. More often than not, a small amount of sesame seeds and/or nuts (such as pine nuts, peanuts, almonds, and walnuts) are pureed with the soybeans for an extra-nutty flavor.

    This recipe uses yellow soybeans as well as pine nuts and sesame seeds. You can also use black soybeans and other nuts such as peanuts and almonds. The result is creamy soy milk with a delicate nutty flavor. It is delightful and refreshing!

    DSC 1702 e1536078527576 - Kongguksu (Chilled Soy Milk Noodle Soup)

    For more Korean cooking inspirations, follow along on YouTube, Pinterest, Twitter, Facebook, and Instagram.

    DSC 1702 e1536078527576 300x300 - Kongguksu (Chilled Soy Milk Noodle Soup)

    Kongguksu (Chilled Soy Milk Noodle Soup)

    4.79 from 32 votes
    Main
    Prep Time: 20 minutes minutes
    Cook Time: 10 minutes minutes
    Resting time: 6 hours hours
    Total Time: 30 minutes minutes
    Servings: 4
    Print Recipe

    Ingredients

    • 1 cup dried soybeans meju kong
    • 4 tablespoons roasted pine nuts or any other nuts of your choosing
    • 2 teaspoons roasted sesame seeds more for garnish
    • salt to taste
    • 1 small Kirby pickling cucumber, julienned
    • 1 small tomato sliced (or watermelon) - optional
    • somyeon/somen  thin wheat flour noodles - about 4 ounces per serving

    Instructions

    • Rinse and soak 1 cup dried soybeans for 5 to 6 hours or overnight. (Yields about 2 to 2 1/4 cups soaked beans.)
      kongguksu2 e1548354461960 - Kongguksu (Chilled Soy Milk Noodle Soup)
    • Add enough water to cover the beans, bring to a boil and cook for an additional 3 – 4 minutes. (Do not overcook.) Drain and place the beans in cold water to cool. Rub the beans with your fingers to remove the skins. Pour out the skins that rise to the top. Add more water. Repeat this process to remove as much as possible.
      kongguksu3 e1548354476563 - Kongguksu (Chilled Soy Milk Noodle Soup)
    • In a blender, puree 1/2 of the cooked beans, 2 tablespoons of nuts, and a teaspoon of sesame seeds, if using, in about 2 cups of cold water as fine as you can. (The finer it is, the creamier the result will be.) Repeat with the remaining beans. Add water (no more than a cup) to adjust the thickness of the liquid.
      kongguksu6 e1548354522613 - Kongguksu (Chilled Soy Milk Noodle Soup)
    • Run the puree through a fine strainer for a smooth milk-like texture, stirring with a spoon to force it through. (This step is optional.)
      kongguksu5 e1548354582613 - Kongguksu (Chilled Soy Milk Noodle Soup)
    • Lightly salt to taste. Stir well. Refrigerate to chill.
    • Bring a medium pot of water to a boil. Cook somyeon noodles according to the package instructions (about 3 minutes). Drain quickly and shock in cold water to stop cooking. Drain again and rinse in icy cold water. Make serving size mounds. Place the mounds in a colander to drain.
    • Stir up the solids settled on the bottom of the soy milk and pour over the noodles in a serving bowl. Garnish with the julienned cucumbers, tomato pieces and/or sesame seeds. Drop in a few ice cubes and serve very cold.

    Notes

    Any leftover soy milk can be refrigerated for 3 - 4 days.
    Tried this recipe?Mention @koreanbapsang or tag #koreanbapsang!

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    Reader Interactions

    Comments

    1. Arindum Basu says

      June 19, 2025 at 3:13 am

      Can i use store bought soya milk?

      Reply
      • Hyosun says

        June 19, 2025 at 9:30 am

        Not going to be the same, but you can if it’s not sweetened.

        Reply
    2. Stella says

      June 29, 2021 at 10:31 pm

      5 stars
      I used to really dislike this dish as a kid but the older I get the more I appreciate and love it. This is the dish I keep coming back to when it’s so hot out that I lose my appetite! Thanks so much for this delicious recipe!

      Reply
    3. Thomas Gao says

      June 05, 2021 at 2:17 pm

      Looks good! Hopefully will give it try some day. Perhaps it’s finally time for me to get a blender. Not a huge fan of that mechanical motor sound.

      Reply
    4. Soyeon says

      August 30, 2019 at 1:58 pm

      5 stars
      So delicious! I loved this with the pickled cucumbers too – added a little hint of spice and extra crunch / saltiness!

      Reply
    5. Shara Chong says

      May 04, 2019 at 1:34 pm

      Hi, I really like your website and this is one of my favorite Korean dishes. How long do you usually cook the beans or how do you know when they are cooked enough? Thanks!

      Reply
      • Hyosun says

        May 12, 2019 at 11:27 pm

        Oh so sorry! It looks like a step was dropped when I moved the recipe into the recipe card. I’ve added it back.

        Reply
    6. Fabio says

      July 04, 2014 at 12:13 am

      OMG! I already love this one, even if I haven’t made it yet. – I’m Italian, then I can’t find that kinda noodles, anyway I can use vermicelli. Are bifun and shirataki OK too?

      Reply
      • Hyosun says

        July 05, 2014 at 8:33 pm

        Any noodles should be fine. Let me know how it turns out for you. Thanks.

        Reply
    7. Chung-Ah | Damn Delicious says

      September 05, 2013 at 11:11 pm

      My mom used to make this when I was younger but I never got a chance to get the recipe from her – can’t wait to give this a try!

      Reply
      • Hyosun Ro says

        September 05, 2013 at 11:43 pm

        Hi Chung-ah – Try it. You’ll like it. It’s so easy to make, especially for an awesome cook like you. Thanks for stopping by!

        Reply
    8. Amy says

      August 13, 2013 at 6:03 pm

      Thank you for your wonderful blog and recipes! This recipe was delicious and refreshing. I’ve been on a health kick lately and Korean food is healthy and tasty!

      Reply
      • Hyosun Ro says

        August 14, 2013 at 1:42 am

        Hi Amy – I’m so happy to hear it turned out well for you. I’ve been having this quite often lately, but never get tired of it. Thanks for taking the time to write me. Cheers!

        Reply
    9. myhumblefood says

      March 14, 2013 at 5:23 pm

      I’ve been following your blog for a while and I really do think you’re one of the best korean food bloggers out there! Great stuff and lovely pictures as well. I’m definitely going to try some of your recipes out, especially the kimchi jeon and the kongguksu!!!

      Reply
    10. Kay @ The Church Cook says

      June 13, 2012 at 10:19 pm

      Oooo, I sure could a whole bowl of that on a hot day like today in Savannah! Looks great, Hyosun!

      Reply
      • Hyosun Ro says

        June 13, 2012 at 11:22 pm

        I’ve already started making this on a regular basis this summer. Nothing beats it on hot summer days! Thanks for stopping by, Kay!

        Reply
    11. Hyosun Ro says

      August 07, 2010 at 2:06 am

      Lisa – Thank you for the nice words. It is definitely one of my favorite summer dishes. Good to see you here!

      Reply
    12. ~Lisa~ says

      August 07, 2010 at 12:02 am

      I must make this! One of my favorites (= Your korean cooking is amazing!

      Reply
    13. denise @ quickies on the dinner table says

      July 16, 2010 at 5:08 am

      Wow! This is so new to me. I love anything soy but I’ve never seen or tasted anything like this. Yes, you are lucky that your mother still wants to “feed” you at 50 LOL Wish I was so lucky!

      Reply
    14. Carol Egbert says

      July 15, 2010 at 5:17 pm

      This post makes me consider making soy milk. I’m not sure I’ll do it but it looks like fun.

      Reply
    15. Christopher Ro says

      July 15, 2010 at 4:47 pm

      looks great, mom!

      Reply
    16. penny aka jeroxie says

      July 15, 2010 at 4:22 am

      I never had this before! Must try it… thanks for sharing.

      Reply
    17. Biren says

      July 15, 2010 at 4:15 am

      What an interesting dish! This is new to me but it sure sounds good. I like anything soy.

      Reply
    18. Jean says

      July 15, 2010 at 3:34 am

      Wow, I’ve never imagined how soy milk is made. How sweet of your mom to still make it for you to enjoy.

      Reply
    4.79 from 32 votes (30 ratings without comment)

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    Hi! I'm Hyosun, and I am a Korean-American mom of two wonderful grown-up children. Here, you will learn how to cook Korean dishes the way we Koreans traditionally eat at home. Read More...

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