Boil Chicken until tenden and set aside till cool enough to debone or pull apart. Put in large pan, add onions, green chillis, taco sauce, chili with beans, cream of mushroom and cream of chicken and bring to a low rolling bowl. stirring frequently.
Line pan or oven dish with flour tortillas letting them hang over the sides and overlap inside the container. pour the misture inside and top with cheese. bake untill cheese is well melted and shells are a golden brown.