Mix in the soy sauce, rice wine and mirin. Heat a small skillet (about 15cm/6 inches in diameter) over a medium flame. If you are using pork belly, take one of the fattier pieces of meat and rub ...

Simmer over a low–medium heat, uncovered, for about 45 minutes until the pork is tender and the liquid has reduced to below the level of the pork. While the pork belly is cooking, make the rice.