1Combine chicken, Monterey Jack cheese, chopped onion, green chiles , black olives, sour cream. Heat flour tortillas in microwave to soften - optional.
2Put 1/3 cup of sauce on bottom of 9 x 13 baking dish. Fill tortillas with approx. 1/3 cup of filling. Place in baking dish and pour remaining sauce over top of enchiladas and top with reserved cheese. Sprinkle with chopped olives.