Bibim Guksu (Korean Spicy Cold Noodles)

By: MeganPosted: 31/08/2025 Updated: 27/09/2025

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Prep 5 minutes
Cook 5 minutes
Total 10 minutes

Easy 10-minute bibim guksu featuring cold noodles covered in a sweet, spicy, gochujang sauce topped with fresh cucumber and a soft-boiled egg. Every bite of these Korean spicy cold noodles is incredibly refreshing and packed with so much flavor!

Bibim Guksu (Korean Spicy Cold Noodles)

This post may contain affiliate links, please see our privacy policy for details

Bibim Guksu (Korean Spicy Cold Noodles)

Bibim guksu, also known as Korean spicy cold noodles, is one of my favorite easy noodle dishes to eat to beat the heat. The thin, cold noodles are tossed in a sweet, spicy, tangy, and savory gochujang sauce and topped with fresh cucumbers, making it the perfect summer dish.

The best part about these spicy cold noodles is that they only need a handful of ingredients that takes less than 10 minutes to throw together! It’s perfect for a quick lunch or dinner when you are short on time but unwilling to sacrifice flavor.

What is Bibim Guksu?

Bibim guksu (비빔국수) is a popular Korean spicy cold noodle dish made with thin wheat flour noodles called somyeon. The noodles are tossed in a spicy sauce made with gochujang, gochugaru, garlic, rice vinegar, honey, sesame oil, and soy sauce. Korean cold noodles can be topped with a variety of garnishes, such as soft-boiled eggs, sliced cucumbers, kimchi, and sesame seeds.

“Bibim” translates to “mixed” and “guksu” to “noodles” in Korean. It is typically served during the summer as a refreshing dish alongside other Korean side dishes, such as Korean cucumber salad (oi muchim), Korean braised tofu (dubu jorim), or Korean spinach side dish (sigeumchi namul).

Ingredients

You can find all the ingredients for this bibim guksu recipe at your local Korean grocery store. Full measurements and links to everything I used are listed in the recipe card below.

  • Somyeon Noodles: aka somen, are really thin wheat noodles that can be found in the dried noodle section.
  • Gochujang: a spicy fermented Korean red pepper paste that is sweet, salty, spicy and savory. It is used in a lot of Korean dishes such as tteokbokki (Spicy Korean rice cakes), or bibimbap (Korean rice bowl).
  • Gochugaru: or Korean red pepper flakes add extra spiciness to the cold noodles.
  • Soy Sauce: adds a salty, savory, umami layer. I use a Korean soy sauce brand which is lighter in color, and slightly saltier than Japanese or Chinese soy sauces.
  • Rice Vinegar: adds a sweet and tangy element that cuts through the deep gochujang flavors.
  • Garlic: is the main aromatic that adds a punchy garlicky flavor.
  • Honey: sweetens the sauce to balance out the savory and spicy ingredients.
  • Sesame Oil: adds a finishing nutty, finish to the bibim guksu.
  • Toasted Sesame Seeds: adds another savory, nutty layer of flavor.
  • Garnishes: cucumber, kimchi, soft boiled egg, sesame seeds to top the Korean spicy noodles.

Substitutions and Additions

Substitutions

  • Noodles: buckwheat noodles, soba noodles, rice noodles, or any thin noodles of your choice.
  • Vinegar: white vinegar or apple cider vinegar.
  • Sweetener: sugar, or brown sugar.
  • Soy sauce alternatives: tamari or coconut aminos are good alternatives to regular soy sauce.

Additions

  • Vegetables: thinly sliced carrots, zuchini, bell peppers, bean sprouts.
  • Protein: chicken, beef bulgogi, tofu, or pork belly.
  • Fruit: apple, or Asian pear for added sweetness.

How to Make Bibim Guksu

Here are the step-by-step instructions for how to make this bibim guksu recipe.

  1. In a mixing bowl, mix together the gochujang, gochugaru, soy sauce, sesame oil, rice vinegar, garlic, sugar, and sesame seeds.
  1. Bring a pot of water to a boil. Cook the noodles according to the package instructions. Drain and rinse the noodles in ice cold water until cold.
  1. Add the sauce over the noodles and mix until evenly coated.
  1. Garnish with a soft-boiled egg, kimchi, thinly sliced cucumber, and sesame seeds. Enjoy!

Expert Tips

  • Mix the sauce first. Have the sauce ready before boiling the noodles, so you can coat them immediately with the sauce once cooked and chilled.
  • Have an ice bath ready. While the noodles are cooking, prepare an ice bath to quickly chill the noodles after blanching.
  • Adjust the spice level to your preference. You can add more or less gochugaru to adjust the level of heat in the bibim guksu.
  • Garnish with whichever toppings you like! Some examples include a soft-boiled egg, cucumbers, sesame seeds, kimchi, bell peppers, carrots, zucchini, Asian pear, apple, and pork belly.

Storage Instructions

You can store these Korean spicy cold noodles in an airtight container in the refrigerator for up to 3 days. No need to reheat the bibim guksu, as it’s best served cold.

FAQ

Is bibim guksu be served hot or cold?

Typically these Korean spicy noodles are served cold, but they can be served warm as well.

Is bibim guksu vegetarian or vegan friendly?

Yes! All you need to do is remove the boiled egg, and this Korean dish is vegan and vegetarian-friendly.

What other garnishes can I add?

You can add julienned carrots, zucchini, bell peppers, bean sprouts, lettuce, shredded cabbage, and any protein of your choice to make these cold spicy noodles a well-balanced meal.

Bibim Guksu (Korean Spicy Cold Noodles) Recipe

Bibim Guksu (Korean Spicy Cold Noodles)

5 from 1 vote
Prep Time 5 minutes
Cook Time 5 minutes
Total Time 10 minutes
Easy 10-minute bibim guksu featuring cold noodles covered in a sweet, spicy, gochujang sauce topped with fresh cucumber and a soft-boiled egg. Every bite of these Korean spicy cold noodles is incredibly refreshing and packed with so much flavor.
Servings: 2 servings
Print Recipe

Ingredients

Sauce

Garnish

Instructions

  • Make the sauce. In a mixing bowl, mix the gochujang, gochugaru, soy sauce, sesame oil, rice vinegar, garlic, sugar, and sesame seeds. Set aside.
  • Cook the noodles. Bring a pot of water to a boil. Cook the noodles according to the package instructions. Blanch the noodles in ice-cold water until cold. Then drain.
  • Combine. Add the sauce over the noodles and mix until evenly coated.
  • Serve. Garnish with a soft-boiled egg, kimchi, thinly sliced cucumber, and sesame seeds. Enjoy!

Notes

See the Expert Tips section for more guidance.

Nutrition:

Calories: 751kcal | Carbohydrates: 131g | Protein: 12g | Fat: 20g | Saturated Fat: 3g | Polyunsaturated Fat: 8g | Monounsaturated Fat: 8g | Cholesterol: 93mg | Sodium: 1301mg | Potassium: 489mg | Fiber: 4g | Sugar: 27g | Vitamin A: 889IU | Vitamin C: 10mg | Calcium: 119mg | Iron: 3mg

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