Marinate the cubed chicken thighs in the egg white, soy sauce, sesame oil, salt, and black pepper.
Make the orange sauce by combining sugar, vinegar, soy sauce, orange zest and juice, and a cornstarch slurry.
Bring the sauce to a boil and add grated garlic and ginger.
Coat the marinated chicken in flour.
Air fry the coated chicken until golden brown and crispy.
Toss the fried chicken in the orange sauce.
Serve the orange chicken over rice and garnish with sesame seeds and green onions.
