1 1/2 lbs. hamburger
1 med. onion, diced
1 can Cream of Mushroom soup
1 soup can of milk
1 flat can green chilies, chopped
2 c. grated Cheddar cheese
1 pkg. Doritos corn chips

In skillet, brown hamburger and onion; set aside. In a saucepan, heat remaining ingredients, except corn chips, until cheese is melted. In a 13 x 9 x 2 inch baking dish, alternately layer meat, corn chips and cheese sauce. Repeat layers. Bake at 325 degrees for 45 minutes. Serves 6.