1Heat oven to 400ºF. Grease pie plate, 10x1 1/2 inches.
2Mix chicken, spaghetti sauce, chilies and olives. Place 2 tortillas in pie plate. Top with 3/4 cup of the chicken mixture, 1/4 cup of the cheese and 1 tortilla. Repeat twice with 3/4 cup of the chicken mixture, 1/4 cup of the cheese and 1 tortilla. Top with remaining chicken mixture.
3Cover and bake 30 minutes. Sprinkle with remaining 1/4 cup cheese. Bake uncovered about 15 minutes or until center is hot and cheese is melted.