The most famous Japanese dish Sushi: Sushi indicates foods that use Japanese sticky rice seasoned with sweet rice-wine vinegar. Raw fish is the most popular ingredient in sushi, other raw / cooked seafood, and vegetables are also used. Other popular dishes: Sashimi: high quality raw seafood. Tempura: deep-fried seafood and vegetables. Sukiyaki: a stew of vegetables and beef cooked in a large nabe and dipped in a bowl of beaten raw egg. Udon: thick Japanese noodles made of wheat flour, can be served either hot in soup or cold.