Cut the pork into bite-sized pieces.
Finely chop the onion and button mushrooms.
Heat cooking oil in a pan and stir-fry the pork.
Once the pork is cooked, add the onion and button mushrooms and continue to stir-fry.
Season with soy sauce and pepper.
Add the rice and stir-fry evenly with the ingredients.
Turn off the heat and finish by sprinkling parsley on top.