Easy Janchi Guksu: Korean Noodle Soup with Anchovy Broth

This Korean noodle soup is a quiet weeknight hero: a warm, savory broth, thin springy noodles, and a few simple toppings that come together in about half an hour. The anchovy and kelp base gives you a deeply savory flavor that feels like it simmered all day, even though it takes 10 minutes.

It is gentle enough to soothe a cold, satisfying enough for dinner, and endlessly adaptable. You can pile on whatever fresh vegetables you have in the fridge.

Why This Soup Stays in My Rotation

The broth does all the work. A handful of dried anchovies and a square of kelp create a clean, savory base with a subtle hint of the sea, no stock pot required. The noodles cook in 4 minutes, and the toppings add color and crunch without extra fuss.

I love that the vegetables stay crisp, the egg ribbons add a little richness, and the whole bowl feels both light and deeply comforting. It is the kind of meal I turn to when I want something warm in a hurry, and my family never complains about seeing it again.

Ingredients

• 6 cups water: for the broth base.
• 10 large dried anchovies, gutted: remove the heads and black innards to keep the broth from turning bitter.
• 1 piece dried kelp (dashima), about 4 inches square: adds umami and a clean marine note.
• 2 cloves garlic, minced: rounds out the savory depth.
• 1 tbsp soy sauce: use regular soy sauce, not dark or sweet.
• Pinch of salt: adjust at the end, the soy sauce already adds saltiness.
• 8 oz somyeon noodles: thin Korean wheat noodles; capellini or somen work in a pinch.
• 1 small zucchini (about 6 oz): julienned into thin matchsticks.
• 1 small carrot: peeled and julienned to match the zucchini.
• 1 large egg: separated, for a thin egg crepe garnish.
• 1 tsp vegetable oil: for the egg crepe.
• 1 sheet gim (roasted seaweed): crumbled or cut into thin strips.
• 1 tsp toasted sesame seeds: for finishing.
• A few drops of toasted sesame oil: drizzled over each bowl just before serving.

Variations / Substitutions

• Make it vegetarian: Skip the anchovies and use a 4-inch piece of kelp plus 2 dried shiitake mushrooms; simmer 10 minutes, then season with soy sauce.
• Swap the noodle: Fresh or dried kalguksu (knife-cut) noodles give a chewier texture; udon also works well. Adjust cook time to package directions.
• Add protein: Shredded poached chicken breast or seared tofu squares turn the soup into a more substantial meal.
• Boost the heat: Add a spoonful of gochugaru (Korean chili flakes) to the broth or serve with a side of chopped fresh chili.
• Change the vegetables: Thinly sliced cucumber, blanched spinach, or sautéed mushrooms are all good here.

For another warming Korean meal, try my Kimchi Jjigae recipe.

How to Make Easy Janchi Guksu

Step 1: Simmer the Broth

In a medium pot, combine the 6 cups water, 10 gutted anchovies, and the 4-inch kelp square. Bring it to a boil over medium-high heat, then immediately reduce the heat so the liquid simmers gently. Let it simmer for 10 minutes so the anchovies and kelp release their savory flavor without turning harsh.

The broth will smell lightly of the sea and taste round and savory. Remove the anchovies and kelp, stir in the 2 minced garlic cloves, 1 tbsp soy sauce, and a pinch of salt. Taste and adjust; you want it slightly undersalted because the toppings and a final drizzle of sesame oil will add more flavor.

Step 2: Slice and Blanch the Toppings

While the broth simmers, bring a small pot of water to a boil for the vegetables. Julienne the zucchini and carrot into thin matchsticks, about 2 inches long. Drop them into the boiling water and blanch for 30 seconds, then immediately transfer them to a bowl of ice water. This keeps the vegetables tender-crisp and bright.

For the egg garnish, beat the egg yolk and white separately in two small bowls. Warm a small nonstick skillet over low heat, brush it with a little vegetable oil, and pour in the beaten yolks to form a thin crepe. Cook for about 1 minute without browning, then slide it out. Repeat with the whites. Stack the two crepes, roll them up, and slice crosswise into thin ribbons. The egg ribbons add a delicate richness and a soft pop of yellow and white in the soup.

Step 3: Cook the Noodles

Bring a separate pot of water to a rolling boil. Add the 8 oz somyeon noodles and cook for 3 to 4 minutes, until just tender but still pleasantly chewy. Stir once or twice so they do not clump. Drain and rinse under cold running water to stop the cooking and wash away excess starch.

Rinsing the noodles well keeps them silky and separate once they hit the hot broth. Shake off any extra water and divide them among four deep serving bowls.

Step 4: Assemble the Bowls

Ladle the hot broth over the noodles in each bowl, letting it come about halfway up the noodles or more depending on how brothy you like it. Arrange the blanched zucchini and carrot on one side, a small pile of egg ribbons next to them, and a sprinkle of crumbled gim over the top.

The heat from the broth will gently warm the noodles and toppings without making them soggy. You want every component to stay distinct so each spoonful has a little bit of everything.

Step 5: Garnish and Serve Hot

Finish each bowl with a light drizzle of toasted sesame oil and a pinch of toasted sesame seeds. Serve right away, while the broth is steaming hot, with a small dish of kimchi on the side if you have some.

The sesame oil hits the hot broth and carries that nutty aroma right up to you, and the gim and sesame seeds add a satisfying toasty crunch.

Tips for a Clear, Flavorful Soup

• Use gutted anchovies. Leaving the heads and black innards in the broth will make it taste bitter and muddy. Most Korean markets sell anchovies already gutted, but double-check before you drop them in the pot.
• Do not boil the broth hard after adding the kelp; a gentle simmer keeps it clear and prevents any slimy texture the kelp can release at a rolling boil.
• Rinse the noodles thoroughly. Skipping this step can leave you with a gummy, starchy soup instead of a clean-tasting bowl.
• Prep all the toppings while the broth simmers. The vegetables and egg crepe take only a few minutes, and everything will be ready at the same time.

Cooking times by noodle type:

Storing and Reheating Leftovers

• Refrigerate: Store the broth with the vegetables in one container and the cooked noodles in another; both keep well for up to 3 days. Keeping them separate stops the noodles from absorbing all the broth and swelling into a mushy mess.
• Reheating: Gently bring the broth and vegetables to a simmer in a small pot. Do not boil the noodles again; simply place cold noodles in a bowl, pour the hot broth over them, and let the heat from the liquid warm them through.

What To Serve With Janchi Guksu

A bowl of janchi guksu is a complete meal, but the table feels more like a proper Korean dinner with a couple of small sides. A slice of rolled omelet or a few pieces of Korean fried zucchini add a richer contrast to the light soup. For crunch, a quick cucumber salad dressed with a little vinegar, sesame oil, and a pinch of sugar cuts through the savory broth beautifully.

Frequently Asked Questions

Can I make this gluten-free?

Yes, use thin rice noodles and replace the soy sauce with tamari or coconut aminos. The broth remains just as savory and clean.

How do I make the soup spicier?

Stir a teaspoon of gochugaru into the simmering broth or scatter thinly sliced fresh red chili over the assembled bowls. Both ways add heat without masking the anchovy flavor.

What if I cannot find somyeon noodles?

The closest substitute is capellini or Japanese somen noodles, which have a similar thinness and cook in about the same time. Any thin wheat noodle will work.

Can I add more protein without changing the broth?

Absolutely. Shredded poached chicken, a soft-boiled egg halved into the soup, or pan-fried tofu slices all fit right in and make the bowl more filling.

Easy Janchi Guksu Recipe

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 15 minutes mins

Total Time 30 minutes mins

Servings: 4 servings

Calories: 340

Ingredients Method Notes

Ingredients

  

• 6 cups water
• 10 large dried anchovies, gutted
• 1 piece dried kelp (dashima), about 4 inches square
• 2 cloves garlic, minced
• 1 tbsp soy sauce
• Pinch of salt
• 8 oz somyeon noodles
• 1 small zucchini (about 6 oz)
• 1 small carrot
• 1 large egg, separated
• 1 tsp vegetable oil
• 1 sheet gim (roasted seaweed)
• 1 tsp toasted sesame seeds
• A few drops of toasted sesame oil, for serving

Method

 

1. In a medium pot, bring water, anchovies, and kelp to a boil. Reduce heat and simmer gently for 10 minutes. Remove solids, then stir in garlic, soy sauce, and a pinch of salt.
2. Julienne zucchini and carrot into matchsticks; blanch in boiling water for 30 seconds, then shock in ice water. Beat egg yolk and white separately, cook each into a thin crepe in a lightly oiled pan over low heat, and slice into ribbons.
3. Cook somyeon noodles in boiling water for 3-4 minutes until tender. Drain and rinse well under cold water, then divide among four bowls.
4. Ladle hot broth over the noodles. Arrange the blanched vegetables and egg ribbons on top, and sprinkle with crumbled gim.
5. Drizzle with sesame oil, add a pinch of sesame seeds, and serve immediately while steaming hot.

Notes

If you are not serving all four bowls at once, keep the broth, toppings, and noodles separate until you are ready to assemble each bowl. The noodles soak up broth quickly, so assembling ahead will make them soft and the soup less brothy.