Soak the shiitake mushroom until soft, finely chopped. Peel the water chestnut and chopped.
Marinate the Omnipork for 10 minutes.
Add the shiitake mushroom and water chestnut into the omnipork, mix it well. Divide the mixture into 2 portions and form two patties.
Heat the pan with oil over medium heat. Add the patties, then press gently.
Pan-fry the patties for about 3 minutes, turn to another side. Cover with a lid and simmer for another 3 minutes. Put it on the rice.
Heat the pan with oil over medium heat, crack in the egg, cook until the edge is crispy.
Put the sunny side egg on the omnipork patties. Sprinkle with chopped green onion.