https://www2.niemanns.com/Recipes/Detail/4243/Hash_Brown_Casserole
Yield: 12-16 servings
In a large bowl, combine the soup, sour cream and garlic salt. Add hash brown potatoes and cheddar cheese; mix well. Pour into a greased 13x9x2 in. baking dish. Top with Parmesan cheese. Bake, uncovered, at 350 for 55-60 min. or until potatoes are tender.
Please note that some ingredients and brands may not be available in every store.
https://www2.niemanns.com/Recipes/Detail/4243/Hash_Brown_Casserole