Easy Scalloped Potatoes
["1 (2 lb.) pkg. frozen hash browns, thawed", "1 (8 oz.) carton sour cream", "8 oz. Cheddar cheese, shredded", "2 cans cream of potato soup", "1/4 c. Parmesan cheese"]
["Combine first 4 ingredients in bowl; mix well.", "Spoon into greased baking pan.", "Top with Parmesan cheese.", "Bake at 300\u00b0 for 1 1/2 hours."]
["frozen hash browns", "sour cream", "Cheddar cheese", "cream of potato soup", "Parmesan cheese"]