Tantalizing Taco Pie
["1 deep dish pie crust shell", "1 lb. ground beef", "1 medium onion, chopped", "1 pkg. taco seasoning mix", "1 (16 oz.) can refried beans", "1 (8 oz.) jar taco sauce", "2 c. shredded Cheddar cheese", "lettuce and tomatoes", "sour cream"]
["Preheat oven and cookie sheet to 400\u00b0.", "Thaw pie crust 10 minutes.", "Prick bottom and sides thoroughly with fork.", "Bake crust on cookie sheet for 10 minutes.", "Remove from oven and reduce oven temperature to 350\u00b0."]
["dish pie crust", "ground beef", "onion", "taco seasoning mix", "beans", "taco sauce", "Cheddar cheese", "tomatoes", "sour cream"]