Korean Summer Foods: Naengmyeon, Samgyetang and Kongguksu

The three dishes and what makes each distinct

Naengmyeon is cold buckwheat or sweet-potato-starch noodles served in a chilled, tangy broth (mul naengmyeon) or with a spicy sauce and no broth (bibim naengmyeon), often topped with a boiled egg, cucumber and thin-sliced beef. Samgyetang is a whole young chicken stuffed with glutinous rice, ginseng, jujube and garlic, simmered into a hot, milky broth -- eaten specifically in the hottest part of summer under the belief that a hot, nutrient-dense meal helps the body cope with heat exhaustion. Kongguksu is chilled noodles in a thick, creamy soy-milk broth (no meat, naturally vegetarian), a lighter and less commonly ordered option than the other two but a genuine summer specialty in its own right.

Why a hot soup is a summer food, not a contradiction

The logic behind eating hot samgyetang in summer -- sometimes called "fighting heat with heat" (iyeolchiyeol) -- holds that raising your internal body temperature briefly triggers sweating that cools you down afterward, alongside the nutritional boost from ginseng and chicken to counter summer fatigue. It's a long-standing seasonal tradition rather than a random restaurant choice.

Where and when to try each one

• Naengmyeon specialists are widespread across Seoul year-round, though it's most popular and freshest-feeling in summer.
• Samgyetang specialist restaurants (some over a century old) cluster in a few well-known Seoul neighborhoods -- expect a wait during sambok dates specifically.
• Kongguksu is more of a seasonal specialty item on a broader noodle-restaurant menu than a dedicated restaurant category, so look for it as a summer-only menu addition.

All three dishes are widely available outside of summer as well, so there's no need to time a trip specifically around sambok dates unless you want the full cultural experience of eating samgyetang on its traditional day. Vegetarian travelers should note that naengmyeon and samgyetang both typically involve meat or meat-based broth, making kongguksu the most reliably plant-based of the three without requesting modifications.