Shred the cabbage and slice the onion thinly.
Cut the shaved pork belly into bite-sized pieces.
Heat some cooking oil in a pan and stir-fry the pork belly.
Once the meat is cooked, add the onion and cabbage and stir-fry together.
Season with soy sauce, oyster sauce, and pepper.
Stir-fry until all the ingredients are well mixed and serve.