Rogenheim is a bakery in the academy district near Godeok Station, close to Kangdong Kyung Hee University Hospital, selling German-style rye bread and health bread. Its main items are Pumpernickel and Cheese Rogenmeister bread, and it also makes bread fermented with natural sourdough. Pumpernickel can be reserved a day in advance or ordered by delivery, and Cheese Rogenmeister bread needs three minutes in an air fryer. If you go on the same day, the bread, including Pumpernickel, may be sold out.