K-Food GuideKorea Food Guide

Kalguksu

칼국수
kal-guksu

Warm hand-cut noodles made by slicing flour dough, boiled in anchovy or beef bone broth. Characterized by chewy noodles and a flavorful broth, it's perfect for a warm meal.

Category
Noodles & dumplings

Cultural background

A warm meal for the common people, often enjoyed for lunch and especially popular in cold weather.

Origin & history

The name Kalguksu comes from the way the dough is rolled thin and then cut with a knife. Compared with machine-made noodles, the strands vary slightly in width, and that irregularity is considered a hallmark of hand-cut Kalguksu.

When wheat flour was scarce, even a bowl of noodles was a relatively special meal. After the Korean War, as wheat flour became more widely used, Kalguksu took root as a warm, easy-to-find meal in markets and neighborhood restaurants.

Regional & modern variations

  • Clam Kalguksu — Kalguksu boiled with clams. The broth is clearer and more refreshing, and the dish is especially common in coastal areas or places where shellfish are abundant.
  • Chicken Kalguksu — Noodles are added to broth made by boiling chicken. Compared with anchovy broth, it tastes richer and smoother, and shredded chicken is sometimes added as a garnish.
  • Jang Kalguksu — Known as a Gangwon-do-style Kalguksu simmered with Gochujang or Doenjang for a spicy kick. Unlike regular Kalguksu, the broth is red or deep brown.
  • Pat Kalguksu — Kalguksu noodles are added to a thick broth made by boiling red beans. Some places serve it savory, while others serve it sweet with sugar on the side.

How Koreans eat it

Many people seek out Kalguksu on rainy days, drawn by the warmth of the broth and the filling quality of wheat noodles. Depending on the restaurant, it may arrive bubbling in a large pot to be shared, or served individually by the bowl.

Taste & how to choose

Good Kalguksu has noodle edges that have not gone too soft, with a slight springiness when you bite into them. Starch released from the noodles naturally gives the broth a bit of body. First-time eaters may mistake the uneven noodle thickness for a flaw, but in hand-cut Kalguksu it is actually a natural feature.

Similar dishes

Goes well with

Kimchi— Fermented napa cabbage kimchi

Frequently asked questions

Why does the name include “칼 (kal, knife)”?
The name does not mean you eat it with a knife; it refers to cutting the dough with a knife to make the noodles. That is why Kalguksu noodles are not perfectly uniform in shape like Ramen or Somen.
Is Kalguksu always vegetarian?
Even if it looks like just vegetables and noodles, the broth may contain anchovies, clams, chicken, or beef bones. If you want a vegetarian version, it is best to check the broth ingredients before ordering.
What is the difference between Sujebi and Kalguksu?
Both are made by cooking wheat-flour dough in broth, but their shapes differ. Kalguksu uses dough rolled out and cut into noodles with a knife, while Sujebi uses pieces of dough torn by hand or pulled off in thin pieces and added to the broth.

Last reviewed: 2026-10-07