Mormon Funeral Potatoes

1 1/2 pounds frozen hash brown potatoes, preferably Southern-style diced ones
1 (10 3/4 ounce) can condensed cream of celery soup (or cream soup of your choice)
1 (10 3/4 ounce) can condensed cream of potato soup
3/4 cup milk
1 pint sour cream
Grated Parmesan cheese and butter for topping

Heat oven to 350 degrees F.

Mix all ingredients except cheese and butter, and pour
into shallow baking dish.
Top generously with cheese and dot with bits of butter.
Bake for 45 to 60 minutes or until bubbly and cheese is lightly
browned.

Makes 6 to 8 servings.