In a large bowl, combine the chicken, sake, sugar, soy sauce, ginger, and garlic. Mix well. Cover with plastic and marinate for at least 15 minutes in the fridge.
2. Step
Add the egg and potato starch to the chicken. Mix well.
3. Step
Heat the oil to 340˚F (170˚C). Fry the chicken until golden brown and fully cooked, 5-7 minutes.
