Jjajjan is a Chinese restaurant near Eunpyeong Tunnel in Seoul, serving jjajangmyeon, jjampong, and tangsuyuk. Its chadol jjampong contains a large amount of meat and has a deep, spicy broth. Several groups were waiting at noon on a weekday. Delivery and dine-in tastes are the same, while the restaurant is noisy on weekends.