Yeolmu Bibim Guksu is a refreshing Korean spicy cold noodle dish made with thin wheat noodles, spicy gochujang sauce, cucumber, boiled eggs, sesame oil, and cool young radish kimchi.
It is spicy, sweet, tangy, refreshing, and perfect for summer. The chewy noodles are mixed with a bold red sauce, then topped with crisp cucumber, boiled egg, and chilled Yeolmu Kimchi.
If you already have Yeolmu Kimchi in the refrigerator, this is one of the easiest and most satisfying Korean noodle dishes you can make.
What is Yeolmu Bibim Guksu?
Yeolmu Bibim Guksu is a Korean spicy mixed noodle dish topped with young radish kimchi.
The word “yeolmu” refers to young summer radish greens, “bibim” means mixed, and “guksu” means noodles.
Unlike hot noodle soups, Bibim Guksu is served cold or at room temperature. The noodles are rinsed in cold water, mixed with spicy sauce, and topped with refreshing ingredients.
Yeolmu Kimchi makes this dish especially good because it adds a cool, crunchy, tangy flavor that balances the spicy sauce.
Recipe Information
Prep Time: 15 minutes
Cook Time: 10 minutes
Total Time: 30 minutes
Servings: 2
Difficulty: Easy
Cuisine: Korean
Main Ingredient: Somyeon noodles and Yeolmu Kimchi
Best Served As: Cold Korean noodle dish
Ingredients
Main Ingredients
200g somyeon noodles
1/2 cucumber
2 boiled eggs
1.5 paper cups Yeolmu Kimchi
Sesame seeds, to taste
1 tbsp sesame oil
Sauce Ingredients
4 tbsp gochujang
1 tbsp sugar
2 tbsp gochugaru
3 tbsp vinegar
2 tbsp Korean plum extract
2 tbsp oligosaccharide syrup or corn syrup
1 tbsp minced garlic
3 tbsp kimchi juice
Ingredient Notes
Somyeon Noodles
Somyeon are thin Korean wheat noodles.
They cook quickly and are commonly used for cold noodle dishes such as Bibim Guksu and Janchi Guksu.
After boiling, rinse them thoroughly in cold water to remove excess starch and create a chewy texture.
Yeolmu Kimchi
Yeolmu Kimchi is young radish green kimchi.
It is crisp, refreshing, slightly tangy, and perfect for cold noodle dishes.
For the best flavor, use chilled Yeolmu Kimchi with a little kimchi juice.
Cucumber
Cucumber adds fresh crunch.
Slice it thinly into strips so it blends well with the noodles.
Boiled Eggs
Boiled eggs make the dish more filling.
They also balance the spicy sauce with a mild and creamy texture.
Gochujang
Gochujang creates the main spicy and savory base of the sauce.
It gives Bibim Guksu its deep red color and bold Korean flavor.
Gochugaru
Gochugaru adds extra heat and a clean chili flavor.
It also makes the sauce brighter and more visually appealing.
Vinegar
Vinegar gives the sauce its refreshing tangy flavor.
This is important because Bibim Guksu should taste spicy, sweet, and sour.
Korean Plum Extract
Korean plum extract adds sweetness and mild acidity.
It helps create a more balanced sauce.
If you do not have it, you can use a little more syrup or sugar.
Kimchi Juice
Kimchi juice adds fermented depth, acidity, and saltiness.
It makes the sauce taste more refreshing and helps connect the noodles with the Yeolmu Kimchi topping.
How to Make Yeolmu Bibim Guksu
Step 1: Prepare the Boiled Eggs
Place the eggs in a pot and cover them with water.
Bring to a boil.
Once the water starts boiling, cook for about 10 minutes.
Transfer the eggs to cold water, peel them, and cut them in half.
Step 2: Prepare the Toppings
Thinly slice the cucumber.
Cut the Yeolmu Kimchi into bite-sized pieces if needed.
Set the cucumber, kimchi, and boiled eggs aside.
Step 3: Make the Spicy Sauce
In a mixing bowl, combine:
- 4 tbsp gochujang
- 1 tbsp sugar
- 2 tbsp gochugaru
- 3 tbsp vinegar
- 2 tbsp Korean plum extract
- 2 tbsp oligosaccharide syrup
- 1 tbsp minced garlic
- 3 tbsp kimchi juice
Mix well until the sauce becomes smooth.
Taste and adjust if needed.
If you prefer a sweeter sauce, add a little more syrup.
If you prefer a tangier sauce, add a little more vinegar.
Step 4: Boil the Noodles
Bring a pot of water to a boil.
Add the somyeon noodles.
Cook according to the package instructions.
When the water boils up strongly, add about 1/3 paper cup of cold water.
Repeat this process 2 to 3 times while boiling.
This helps the noodles cook evenly and gives them a chewy texture.
Step 5: Rinse the Noodles
Drain the cooked noodles.
Rinse them thoroughly under cold running water.
Rub the noodles gently with your hands to remove excess starch.
Drain well.
This step is very important for a clean and chewy noodle texture.
Step 6: Mix the Noodles with Sauce
Place the drained noodles in a large bowl.
Add the spicy sauce gradually.
Do not add all the sauce at once.
Mix and taste as you go so the noodles do not become too salty or too strong.
Add 1 tablespoon of sesame oil and mix again.
Step 7: Plate the Noodles
Transfer the seasoned noodles to a serving plate or bowl.
Twirl the noodles neatly if desired.
Step 8: Add the Toppings
Top the noodles with Yeolmu Kimchi, sliced cucumber, and boiled eggs.
Sprinkle sesame seeds over the top.
Step 9: Serve
Serve immediately.
Mix everything together before eating.
For the best summer flavor, serve with chilled Yeolmu Kimchi.
Pro Tips
Rinse the Noodles Very Well
Cold rinsing removes starch and makes the noodles chewy.
If the noodles are not rinsed well, they can become sticky and heavy.
Add the Sauce Gradually
Bibim Guksu sauce can be strong.
Add it little by little and taste as you mix.
This prevents the noodles from becoming too salty, too sweet, or too spicy.
Use Chilled Yeolmu Kimchi
Cold Yeolmu Kimchi makes the dish more refreshing.
This is especially important in summer.
Add Kimchi Juice to the Sauce
Kimchi juice adds acidity and fermented flavor.
It makes the sauce taste deeper and more refreshing.
Balance Sweet, Sour, and Spicy
Good Bibim Guksu should not taste only spicy.
It should be spicy, sweet, sour, savory, and refreshing at the same time.
Adjust sugar, syrup, vinegar, and kimchi juice to your taste.
Optional Add-Ins
You can make Yeolmu Bibim Guksu even better by adding:
- Shredded lettuce
- Roasted seaweed flakes
- Sliced chili pepper
- Perilla leaves
- Boiled chicken breast
- Tuna
- Extra cucumber
- Crushed sesame seeds
- Soft-boiled egg
These additions make the dish more filling and flavorful.
What to Serve with Yeolmu Bibim Guksu
Yeolmu Bibim Guksu pairs well with:
- Mandu
- Gimbap
- Tteokbokki
- Eomuk Bokkeum
- Buchujeon
- Gamja Chaejeon
- Korean fried chicken
- Grilled pork belly
- Bulgogi
- Korean pickled onions
It is also delicious on its own as a light summer meal.
Storage Tips
Yeolmu Bibim Guksu tastes best immediately after mixing.
The noodles can absorb the sauce and become soft if stored for too long.
If you want to prepare ahead, store the sauce, noodles, and toppings separately.
Keep the sauce in an airtight container in the refrigerator for up to 3 days.
Cook and rinse the noodles right before serving for the best texture.
Freezing is not recommended.
Frequently Asked Questions
Can I make Yeolmu Bibim Guksu without Yeolmu Kimchi?
Yes.
You can make regular Bibim Guksu without Yeolmu Kimchi, but the flavor will be less refreshing.
You can use regular kimchi instead, but Yeolmu Kimchi gives the best summer-style flavor.
Can I use regular noodles instead of somyeon?
Yes.
You can use thin wheat noodles, soba noodles, or even thin spaghetti in a pinch.
However, somyeon gives the most traditional Korean texture.
Is Yeolmu Bibim Guksu spicy?
Yes, it is moderately spicy.
You can reduce the gochugaru or gochujang if you prefer a milder version.
Can I make the sauce ahead of time?
Yes.
The sauce can be made ahead and stored in the refrigerator for up to 3 days.
Mix well before using.
Why are my noodles sticky?
The noodles may not have been rinsed well enough.
After boiling, rinse them thoroughly under cold water and gently rub them to remove starch.
Can I add more vinegar?
Yes.
If you like a more refreshing and tangy flavor, add a little more vinegar.
Can I make it sweeter?
Yes.
Add more oligosaccharide syrup, plum extract, or sugar.
Adjust gradually so the sauce stays balanced.
Final Thoughts
Yeolmu Bibim Guksu is a refreshing Korean spicy noodle dish that is perfect for summer.
With somyeon noodles, spicy gochujang sauce, cucumber, boiled eggs, sesame oil, sesame seeds, and cool Yeolmu Kimchi, you can make a bright, spicy, tangy, and satisfying noodle meal in about 30 minutes.
The key is to rinse the noodles well, mix the sauce gradually, and top the noodles with plenty of chilled Yeolmu Kimchi.
If you want a refreshing Korean noodle recipe for hot weather, this Yeolmu Bibim Guksu recipe is a perfect choice.
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