Taco Casserole - cooking recipe

Ingredients

1 onion, chopped
1 c. sour cream
1 can mushroom soup
1 (7 oz.) can green chilies
1 c. cheese, grated
Doritos chips
1/2 lb. hamburger
1/2 envelope taco mix

Preparation

Mix first 4 ingredients.
Brown meat and add taco seasoning mix according to package directions.
In a greased casserole dish layer Doritos chips, first 4 ingredients mixture, cheese and meat mixture.
Bake for 30 minutes at 350\u00b0.