Chicken Enchilada Casserole
["2 Tbsp. salad oil", "1 medium onion, chopped", "4 c. cooked chicken, shredded", "2 (15 oz.) cans stewed tomatoes", "1 pkg. (12) corn tortillas", "1 pkg. taco seasoning", "1 can ripe pitted olives, sliced", "3 c. Jack cheese, grated"]
["Heat oil and saut the onion.", "Add the chicken, tomatoes and taco seasoning.", "Bring to a boil.", "Reduce heat and simmer for 15 minutes.", "Layer 4 corn tortillas on the bottom of a 9 x 13-inch glass pan.", "Layer 1/3 chicken mixture, olives and cheese.", "Repeat layers 2 times, ending with cheese.", "Bake, uncovered, in 350\u00b0 oven for 30 minutes."]
["salad oil", "onion", "chicken", "tomatoes", "corn tortillas", "taco seasoning", "olives", "Jack cheese"]