Order the pandoro dusted in a snowdrift of powdered sugar, the on-site bakery's signature, available in classic white sugar or an injeolmi-topped version. Seating splits between a shoes-off floor area and regular tables, with the open-air courtyard between the hanok wings as the photographed centerpiece. Wait times of 20-40 minutes are standard in the afternoon, longer on weekends. No reservations, first-come first-served. Other Onion branches in Seongsu, Mia, and Gwanghwamun.