Castella honey cake has been a treasured gift in Japan since the 1600s. Portuguese sailors and merchants brought Paõ de Castela, Bread of Castile to Japan in the 1600s. Even when all foreigners were kicked out of the country by the Tokugawa shogunate for 200 years, the cake stayed. For several centuries the treat was reserved for rich folk – like the Emperor! Today the royal dessert is readily available to all.