Hongsiwon is a small jjamppong restaurant in an alley between Seoul National University Station and Bongcheon Station, in front of the Baekchae Kimchi Stew main branch. It serves cool jjamppong with plenty of mussels, old-style jajangmyeon, and chapssal tangsuyuk. Each person receives one fried dumpling along with the basic side dishes, and rice is refilled. There is no restroom inside the restaurant.