Cut the pork into bite-sized pieces.
Slice the onion, green onion, and carrot into thin strips.
Mix together gochujang (Korean chili paste), soy sauce, sugar, and other seasonings.
Add the marinade to the pork and thoroughly coat.
Heat cooking oil in a pan and stir-fry the pork.
Add the vegetables and stir-fry together.
Season with garlic and pepper to taste.
Once the pork is cooked, turn off the heat and plate.