Step 1

Mix chicken, rotel tomatoes, cream of mushroom soup, torn tortillas, cheddar cheese, olives and yellow onion in a large bowl. Stir to mix all ingredients.

Step 2

Preheat your oven to 350° and spray the bottom of a 9x13 casserole dish with cooking spray.

Step 3

Pour all ingredients into casserole dish and cover with foil.

Step 4

Bake at 350° for 50 minutes. Uncover and let cook for an additional 10 minutes.