Jeju Dongmyeongdongnak is a bakery cafe in Hallim, Jeju, selling naturally leavened ciabatta and health breads. It makes plain, daepa, olive, and cuttlefish-ink cheese ciabatta along with salt bread and ang butter using natural ingredients. The bread is aged for 48 hours, and staff offer samples and explanations to first-time customers, with business starting at noon. Popular items such as olive ciabatta sell out early, so check the time of your visit.