Use vegetables already cut-up for stir-fry from the supermarket produce section to make this dinner super quick and easy.
Mix cornstarch, broth, Seasoning and soy sauce until smooth. Set aside.
Heat oil in large nonstick skillet on medium-high heat. Stir-fry chicken in batches 3 minutes or until cooked through, adding more oil if needed. Remove from skillet. Add vegetables to skillet; stir fry 3 minutes. Return chicken to skillet.
Stir soy sauce mixture. Add to skillet; stirring constantly, bring to boil on medium heat and boil 1 minute or until slightly thickened. Serve with cooked rice, if desired.