Cut the pork and cabbage into bite-sized pieces.
Slice the onion, carrot, and green onion.
Add oil to a pan and stir-fry the pork.
When the pork is halfway cooked, add the onion, carrot, and green onion and stir-fry together.
Add the cabbage and continue stir-frying.
Season with gochujang (Korean red chili paste), soy sauce, minced garlic, sugar, and pepper.
Stir-fry everything until all ingredients are fully cooked.