Kuksi

Kuksi is a noodle dish in Koryo-saram cuisine: cuisine of the ethnic Koreans of the mainland former [Soviet Union]. It is served cold and often spicy with beef. It is the Koryo-saram version of janchi-guksu.
The dish is a popular menu item at Cafe Lily, an Uzbek-Korean restaurant, located in Brooklyn, New [York City]. The [Moscow Times] describes the kuksi served at Koryo-saram in Moscow's K-town as " quite the kick".

Name

kuksi is a dialectal form of the Korean word guksu meaning "noodles," often referring to janchi-guksu by default.