Cut the sliced pork belly, onion, and green onion into bite-sized pieces.
Add oil to a pan and stir-fry the sliced pork belly.
When the meat is partially cooked, add onion and green onion and stir-fry together.
Add rice and mix evenly while stir-frying.
Season with soy sauce, pepper, and salt to taste.
Once the ingredients are well combined, turn off the heat and transfer to a plate.