Wash the cabbage and enoki mushrooms thoroughly, then cut them into bite-sized pieces.
Wash the onion and carrot, then slice them thinly.
Heat cooking oil in a pan and stir-fry the onion and carrot.
Add the cabbage and enoki mushrooms, then stir-fry together.
Season with soy sauce, salt, and pepper.
Spoon the stir-fried mixture over rice to complete the rice bowl.