Taco Casserole
["1 small onion, chopped", "2 lb. hamburger", "1 can mushroom soup", "1 can tomatoes and green chilies", "1 jar taco sauce", "1 small can green chilies", "taco tortilla chips", "grated cheese of choice"]
["Brown hamburger and onions.", "Add soup, green chilies, taco sauce and tomatoes with green chilies.", "Put in casserole dish; top with chips and cheese.", "Bake at 350\u00b0 for 30 minutes."]
["onion", "hamburger", "mushroom soup", "tomatoes", "taco sauce", "green chilies", "tortilla chips", "grated cheese"]