The Sichuanese are proud of their cuisine, known as one of the Four Great Traditions of Chinese cuisine. The cuisine here is of "one dish, one shape, hundreds of dishes, hundreds of tastes", as the saying goes, to describe its acclaimed diversity. The most prominent traits of Sichuanese cuisine are described by four words: spicy, hot, fresh and fragrant. Sichuan cuisine is popular in the whole nation of China, so are Sichuan chefs. Two well-known Sichuan chefs are Chen Kenmin and his son Chen Kenichi, who was Iron Chef Chinese on the Japanese television series "Iron Chef".

What is popular in the whole nation of Japan?