Takikomi gohan

Takikomi gohan (炊き込みご飯, 炊き込み御飯) is a Japanese rice dish seasoned with dashi and soy sauce along with mushrooms, vegetables, meat, or fish. The ingredients of takikomi gohan are cooked with the rice; in a similar preparation, maze gohan (混ぜ御飯), flavorful ingredients are mixed into cooked rice.

...
Wikipedia