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
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.