A meal by itself.
Cut whole chicken into large pieces and place in 6-8 quart pan with water. Cook chiken until it is soft and falling off the bones. Remove from the fire when cooked and cool. Strain broth and de-bone chicken. Dice chicken.
Combine soups, tomates and chiles, and broth and whisk until smooth creating a sauce.
Place enough sauce in the baking dish to cover the bottom and layer the following ingredients, chicken, tortillas, leek, cheese and sauce. Repeat the layers ending with cheese.
Bake uncovered at 325 degrees for 1 hour.