Cut the pork into bite-sized pieces.
Slice vegetables such as onion, green onion, and carrot.
Make the sauce with gochujang (Korean chili paste), soy sauce, sugar, minced garlic, and other seasonings.
Add the sauce to the pork, mix well, and marinate for 15 minutes.
Heat cooking oil in a pan and stir-fry the marinated pork.
Add the sliced vegetables and stir-fry together.
When the pork is cooked through and the sauce is absorbed, it's ready to serve.