Probably the most famous of all Japanese foods is Sushi, or rice seasoned with vinegar and topped with raw fish. Sushi bars are common all over Japan but this is not the cheapest food to eat.
Ramen are egg noodles cooked in a broth. Popular soup bases are pork bone, miso soup, soy sauce, or salt. Ramen are usually a cheap source of food and are often eaten as a snack.
Tempura comes in the form of deep fried seafood and vegetables which are served with a soy sauce broth that acts as a seasoning. Known for being crisp and light, Tempura is usually fried in sesame oil.
A kind of Japanese pancake, Okonomiyaki is traditionally filled with pork and cabbage and topped with fish flakes, although now a variety of fillings exist to customize your meal as you like.