Thanks for sharing this one with us, Sherry!
Mix soup, evaporated milk, green chilies, in a saucepan. Heat through. Melt butter in a 9 by 13 inch pan. Tear tortillas in pieces and put a layer over the butter. Pour first layer of soup mixture over tortillas, then layer of meat and onion, then layer of cheese. Repeat layers until all is used. Bake at 350 degrees F for 30 to 45 minutes. (The recipe says covered, but I never have!)
You can also substitute cooked chicken for the beef and it still comes