Cut the pork into bite-sized pieces.
Slice the onion and green onion thinly.
Heat cooking oil in a pan and stir-fry the pork.
When the meat is halfway cooked, add the onion and green onion and stir-fry together.
Add soy sauce, gochujang (Korean chili paste), sugar, and minced garlic, then mix well.
Stir-fry over medium heat until the vegetables are cooked.
Finish by sprinkling sesame oil and toasted sesame seeds.