Cut the chicken breast into bite-sized pieces.
Finely chop onion, garlic, carrot, and green onion.
Heat olive oil in a pan and sauté the garlic and onion.
Add the chicken breast and stir-fry until cooked through.
Add carrot and green onion, and stir-fry.
Add rice and stir-fry, mixing well.
Season with soy sauce, ketchup, and oyster sauce.
Make a fried egg and place it on top of the nasi goreng.