Cut the chicken and vegetables into bite-size pieces.
Add cooking oil to a pan and stir-fry the chicken.
Add onion, carrot, and green onion, and stir-fry together.
Add the rice and stir-fry evenly with the other ingredients.
Season with soy sauce and gochujang.
Add bean sprouts and spicy chili pepper, and stir-fry once more.
Fry an egg and place it on top of the rice.