Cut pork neck into bite-sized pieces.
Slice onion and green onion thinly.
Mix pork and vegetables with soy sauce, sugar, minced garlic, sesame oil, pepper, and other seasonings.
Add cooking oil to a pan and heat it.
Stir-fry the marinated pork neck and vegetables in the pan.
When the meat is cooked and the sauce is reduced, it’s done.