There are many kind of Japanese food other then SUSHI, TENPURA or RAMEN.
Here are the sample of Simple Japanese Foods.
The first one is ...
SHIO-GOHAN is simply rice just having a bit of salt on top. It is unexpectedly tasty.
Can you see the salt over the rice? I can not.
Of course, it has not enough nutrition. You should not eat it every day.
Also, 握り飯：NIGIRI-MESHI;rice ball is actually salted rice n its simplest form.
because we put salt water on the hand when we make rice ball.