There are many versions of Funeral Potatoes. Some recipes call for putting cheese (about 1 cup Cheddar, American or whatever you like) in the potato mixture and using buttered bread crumbs for the topping.
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
Makes 6 to 8 servings.