Finely chop the kimchi and onion.
Heat cooking oil in a pan and stir-fry green onions to make green onion oil.
Add pork and stir-fry until cooked.
Add the kimchi and onion and stir-fry together.
Add the rice and stir-fry until well mixed with the other ingredients.
Season with soy sauce, gochujang (Korean chili paste), and sesame oil.
Turn off the heat, sprinkle seaweed flakes and sesame seeds on top to finish.