Nacho Chicken Casserole 1 can cream of mushroom soup 1 can cream of chicken soup 1 can Ro-Tel tomatoes, diced 1 large can chunk chicken 1 regular size bag tortilla chips, divided 1 onion, diced 1/2 pound processed cheese, cubed Mix soups, ,tomatoes, chicken, 1/2 bag tortilla chips, onion and cheese in a casserole dish. Bake at 350 degrees F for 45 minutes. After 35 minutes, crush remaining tortilla chips and put on top. Bake for the final 10 minutes.