Cut the pork and kimchi into bite-sized pieces.
Heat cooking oil in a pan and stir-fry the pork.
When the pork is half cooked, add the kimchi and stir-fry together.
Season with soy sauce, red pepper powder, and minced garlic.
Add onion and green onion, and stir-fry once more.
When all the ingredients are well mixed, finish with a drizzle of sesame oil.