 It is a Koryo-saram invention and was unknown in South Korea until recently.However, it has gained an international following, being served in most cafeterias throughout the CIS, sold in all supermarkets, and featured regularly as a side dish on dinner tables and in holiday feasts set by all ethnicities of the former Soviet Union.On the other hand, some South Korean dishes such as bulgogi, bibimbap, and samgyeopsal were relatively unknown to Koryo-saram until recently.