Chicken Enchilada Casserole
["8 (or more) fajita size flour tortillas, broken into pieces", "1 whole chicken, cooked, deboned and shredded", "12 oz. sour cream", "2 cans green enchilada sauce", "8 oz. (or more) Jack cheese, shredded"]
["Mix all ingredients in a large bowl, then pour into 1 large or 2 small casserole dishes. Cover with foil. Bake at 350\u00b0 to 375\u00b0 for about 30 minutes. Remove foil. Add more cheese on top and melt."]
["flour tortillas", "chicken", "sour cream", "green enchilada sauce", "cheese"]