History of Washoku
Jomon period (10,000 - 300 BC) nabe - boil, roast and steam food
Heian period (794-1185 AD) ichiju sansai - rice, soup and three side dishes
Kamakura period (1192 -1333AD) shoujin ryori - vegetarian
Meiji period (1867 -1912 AD) wayo secchu ryori - A mix of Japanese and Western cooking together
Source: Nipponica, Discovering Japan, No 8, 2012 page 5
By Isao Kumakura