1 lb. ground beef
2 tbsp. butter
1 med. onion
2 tbsp. green chiles
1 pkg. taco seasoning
1/2 c. water
1 (8 oz.) tomato sauce
1 c. half and half
2 eggs
8 oz. corn chips
8 oz. Monterey Jack cheese
1 c. sour cream
1/2 c. grated cheddar cheese

Brown beef. Heat 2 tablespoons of butter, onion, green chilies. Simmer; add tomato sauce, taco seasoning and water. Beat eggs and half and half. Add this mixture slowly to tomato sauce, stirring constantly.

Place 1/2 chips in casserole; top with 1/2 beef, 1/2 cheese and 1/2 of the sauce. Repeat layers. Top with sour cream and cheddar cheese. Bake at 325 degrees for 25 minutes.