In a bowl mix all marinade ingredients, soy sauce, sake, grated ginger, grated garlic.
Put the chicken into the ziploc bag and pour the marinade ingredients.
Marinade the chicken at least for 1 hour in the refrigerator. Overnight is highly preferred.
In a shallow bowl, put the potato starch and coat the chicken lightly.
Brush the chicken with vegetable oil until there is no potato starch spots left.
Assemble the chicken in the airfryer basket. Preheat the Airfryer 190 C 3 minutes then
Airfry for 190 C 12 minutes. Flip the chicken half way through.