Cook pasta according to package directions. Meanwhile, in a small bowl, combine the cornstarch, soy sauce, vinegar, hoisin sauce, ginger and garlic; set aside., In a large skillet or wok, stir-fry chicken in 1 tablespoon oil for 5-8 minutes or until no longer pink. Remove with a slotted spoon. Stir-fry broccoli and carrots in remaining oil for 5-6 minutes or until crisp-tender. Drain pasta. Stir cornstarch mixture and add to the pan. Bring to a boil; cook and stir for 2 minutes or until thickened. Stir in chicken and pasta; heat through. Sprinkle with peanuts.