Cut the chicken breast into bite-sized pieces.
Julienne the cabbage, onion, and carrot.
Add cooking oil to a pan and stir-fry the chicken breast.
Add the vegetables and stir-fry together.
Season with gochujang, soy sauce, minced garlic, Korean chili powder, and pepper.
Add the rice and mix well while stir-frying.
Finish by drizzling sesame oil and sprinkling sesame seeds.