Finely chop chicken breast, onion, green onion, and carrot.
Heat cooking oil in a pan, add green onion, and stir-fry until fragrant to make scallion oil.
Add chicken breast and chopped vegetables to the pan and stir-fry.
Add rice and stir-fry everything together until well mixed.
Season with soy sauce and salt.
Finally, add pepper and sesame oil, then mix well.