The times go by, after 800s, "Daikyo cooking" was born as cooking for the upper social class.
"Daikyo cooking" is the ritual dish with Japanese old traditional culture and Chinese culture. Various dishes including the steaming rice serving highly and raw food and dry food, and is dipped in seasonings such as salt, vinegar, sake, soy source, to eat. Chopsticks and a spoon were put on the low dining table, and there were various meal manners.
That cooking style is the oldest known dish in Japan.