Jaseongdang Jjolmyeon Main Branch in Hongdae serves cold jjolmyeon, hot jjolmyeon, and bibim jjolmyeon alongside mayak egg gimbap. The jjolmyeon noodles are made fresh and served in an anchovy-based broth, and the gimbap contains fried batter between the egg layers. Water and danmuji are self-service, and takeout and delivery orders are available. There is a break time from 3:00 to 4:30 PM, and with only three tables, a wait forms at lunch.