What are the must-order dishes when you go to a Japanese restaurant?

Tempura. A Japanese dish in which fish, shellfish, or vegetables are coated in wheat flour and fried in an egg sauce, and eaten while still warm with a sauce containing garlic paste. It's worth noting that tempura actually refers to two different things in Japan, Kanto and Kansai. Kanto. Kansai's tempura is a deep-fried food with fish batter, and Kanto's is called samoyam ...