shredded cheddar cheesePlace oil in large skillet. Add onions and saute over medium heat until onions are lightly browned. Add chicken, cream soups, chilies, tomatoes, and all seasonings. Stir and cook over medium heat until bubbly.
tortillas into small pieces. Place half of pieces in 9x13 inch dish. Top with ½ of chicken mixture and ½ of cheese. Top with remaining tortilla pieces, remaining chicken mixture, and remaining cheese. bake at 350 for thirty minutes, or until bubbly and lightly browned around the edges.
Spread a few tablespoons of the sauce in the bottom of a 9x13-inch baking dish. Bake casserole in the preheated oven until bubbling, about 40 minutes. Broil the casserole until top is golden, 2 to 3 minutes more
Transfer to a casserole dish. Stir in milk, 1 tsp salt, 1/2 tsp black pepper and Ranch seasoning. In a large pot filled with cool water add potatoes and 1 tbsp salt, boil until tender, about 10 to 12 minutes