Ongsimi Seoul Station is a noodle shop in an alley by Seoul Station that serves ongsimi and memil jeonbyeong. The ongsimi is made in-store from Gangwon potatoes and comes in a chewy, clean, savory broth. To find it, pass Starbucks and take the first alley on the right, and the boribap can be eaten as bibimbap. The portions are large.