Burrito Casserole
["1 lb. hamburger, browned", "3/4 c. chopped onion", "1 can refried beans", "1 can mushrooms", "1 pkg. taco seasoning", "5 tortilla shells", "1 can cream of mushroom soup", "16 oz. sour cream", "8 oz. Cheddar cheese"]
["Brown hamburger and onion; drain, then add refried beans, mushrooms and taco seasoning.", "Heat.", "Mix together 1 cup sour cream and mushroom soup.", "Spread 1/2 of sour cream mixture on bottom of a 9 x 13-inch pan.", "Wrap meat mixture in tortilla shells; put on top of sour cream mixture.", "Put rest of sour cream mixture on top; sprinkle with cheese.", "Bake at 350\u00b0 until cheese melts.", "Serve with lettuce and tomatoes."]
["hamburger", "onion", "beans", "mushrooms", "taco seasoning", "tortilla shells", "cream of mushroom soup", "sour cream", "Cheddar cheese"]