Cut the skirt meat into bite-sized pieces.
Julienne the onion and green onion.
Heat cooking oil in a pan and stir-fry the skirt meat over high heat.
When the meat is halfway cooked, add the onion and green onion, and stir-fry together.
Season with salt and pepper.
Place the stir-fried skirt meat and vegetables over rice.
Drizzle with sesame oil and sprinkle with sesame seeds to finish.