Wash the spinach thoroughly and cut it into bite-sized pieces.
Thinly slice the onion and carrot.
Heat cooking oil in a pan and stir-fry the onion and carrot.
Add the spinach, season with salt and pepper, and stir-fry.
Place the stir-fried spinach and vegetables over rice.
Finish by drizzling with sesame oil and sprinkling sesame seeds.