In a large dry skillet, toast cashews for about 3 minutes, stirring often. Remove cashews from pan.
Combine the cornstarch, teriyaki sauce, honey, soy sauce, lime juice, hot sauce and water. Set sauce aside.
Over medium heat, heat 1 tablespoon of vegetable oil in skillet. Add diced chicken and season with a few pinches of salt and pepper. Cook for 5 minutes.
Add garlic and whites of the onion and cook for 3 minutes.
Add sauce to the pan and bring to a simmer, stirring often. Cover and cook for 5 minutes or until chicken is cooked through to an internal temperature of 165°
Serve over cooked white rice and garnish with remaining green onion.