Chicken Karaage (Japanese Fried Chicken)

Combine soy sauce, sake, and ginger in a large bowl. Add chicken; turn to coat. Cover with plastic wrap and marinate in the refrigerator for 30 minutes.

Heat oil in a deep-fryer or large saucepan to 350 degrees F (175 degrees C).

Place cornstarch in a large resealable plastic bag. Add chicken; seal bag and toss until chicken is coated with cornstarch.