Finely chop the onion, carrot, and chicken.
Heat oil in a pan and stir-fry the onion, carrot, and chicken.
Add the rice, then season with salt, pepper, and ketchup. Stir-fry together.
Beat the eggs, add a pinch of salt, and mix well.
Melt butter in a pan and pour in the eggs.
When the eggs are softly cooked, place them over the fried rice.
Finish by drizzling ketchup on top, if desired.