Potato Casserole
["2 lb. frozen hash brown potatoes, thawed", "1 pt. sour cream", "2 cans Campbell's potato soup (undiluted)", "8 oz. shredded Cheddar cheese (medium)", "1 tsp. minced onion", "Parmesan cheese"]
["Mix all ingredients very well in a large bowl.", "Pour into a 13 x 9 x 2-inch pan or baking dish, which has been lightly greased. Sprinkle Parmesan cheese on top.", "Bake for 40 minutes in a 350\u00b0 oven.", "Do not cover.", "Makes about 12 servings."]
["frozen hash brown potatoes", "sour cream", "Campbell's potato soup", "Cheddar cheese", "onion", "Parmesan cheese"]