Finely chop onion and carrot.
Cut chicken or ham into small pieces.
Heat oil in a pan and stir-fry onion, carrot, and meat.
Add cooked rice and stir-fry together with the ingredients.
Add tomato ketchup and stir-fry to finish fried rice.
Beat eggs and mix in a pinch of salt.
Heat oil in another pan and cook the eggs softly.
Place the fried rice on top of the egg and fold it over.
Plate the omurice.
Optionally, drizzle ketchup on top.