Stir Fry Sesame Chicken and Vegetables

Mix broth, cornstarch, soy sauce, sugar, garlic, ginger and red pepper in small bowl until smooth. Set aside. Heat oil in large nonstick skillet on medium-high heat. Add chicken in batches; stir fry 5 minutes or until cooked through. Remove chicken from skillet. Add vegetables to skillet; stir fry 3 minutes until tender-crisp. Return chicken to skillet. Stir soy sauce mixture. Add to skillet, stirring constantly. Bring to boil on medium heat; boil 1 minute or until sauce is slightly thickened. Sprinkle with sesame seed. Serve with cooked rice, if desired.