Remove skin and bones from chicken; cut meat into strips. Toss with 1 1/2 tsp. soy sauce; set aside while preparing vegetables.
Mix broth with cornstarch and remaining soy sauce. Mix well. Heat 1 Tbsp. oil in large skillet or wok, add chicken strips and cook, stirring frequently til browned and cooked through. Remove chicken from skillet
Add remaining oi to skillet. Add vegetables; stir fry over medium heat 5 minutes. Add broth mixture; bring to a boil,stirring. Return chicken to skillet, add walnuts and heat a minute. Serve at once. Serves 4