Place the stir-fried bok choy and mushrooms on top of rice.
Wash the bok choy thoroughly and cut it into bite-sized pieces.
Julienne the onion and carrot.
Heat cooking oil in a pan and sauté minced garlic until fragrant.
Add onion and carrot, then stir-fry.
Add bok choy and season with salt and pepper.
Add oyster sauce and a little water, then stir-fry together.
Top the rice with the stir-fried bok choy mixture to finish.