Cut the chicken breast into bite-sized pieces.
Finely chop the onion, bell pepper, and carrot.
Heat oil in a pan and stir-fry the chicken breast.
Once the chicken is cooked, add the vegetables and stir-fry.
Add the rice and mix evenly while stir-frying.
Add nasi goreng sauce (soy sauce, chili sauce, etc.) and mix well.
Serve on a plate and top with a fried egg if desired.