In a bowl, combine chicken, 4 1/2 t. soy sauce, and asian spice blend. Toss to coat and let sit for 10 minutes.
In a large saute pan, heat oil over high heat. Add chicken and stirring constantly, cook until brown, 1-2 minutes. Add beans and stir fry until wrinkled, stirring, about 2-3 minutes. Add garlic and cook, stirring, for 10 seconds. Add cashews, hoisin, remaining 3 t. soy sauce, sesame oil, sesame seeds, red pepper sauce and red pepper flakes. Stir to coat and cook for 1 minute. Remove from heat and serve over rice.