They are usually served cold, in both the winter and summer.
When served with a broth, the noodles are cooked on their own first, drained and cooled, then put in a dish, and the broth is poured over them, and any garnishes added.
Pyeongyang Naeng Myun is a cold dish made from them. The noodles are served in a chilled beef broth with ice cubes.
For the dish called Hamheung Naeng Myun, the noodles are served on their own, seasoned wtih chile pepper paste, with garnishes of vegetables, and slices of beef or raw fish. Occasionally a broth is served on the side.
The noodles are used occasionally in soups as well.
In South Korea, they can be bought fresh, frozen or dried.
Add to boiling water, and boil 3 to 4 minutes.
In Korean, “naeng” means “cold”; “myun” means “noodles.”