Cut the pork leg into bite-sized pieces.
Slice the onion and green onion thinly.
Heat cooking oil in a pan and stir-fry the pork leg.
When the meat is cooked, add the onion and green onion and stir-fry together.
Add soy sauce, minced garlic, and black pepper, stir-fry to season.
Once everything is cooked, turn off the heat and plate it.