Cut the Mochi into bite-sized pieces, approximately 2cm cubes.
2
In a small saucepan, combine the Koikuchi soy sauce, Mirin, Sugar, and Water. Heat gently over low heat, stirring until the Sugar is fully dissolved. Remove from heat and set aside.
3
Heat the Vegetable oil in a deep pot or wok to 170-180°C (340-350°F).