Cheesy Hashbrown Casserole

1 32 ounce package of frozen hash browns

8 ounces of cooked, diced ham or chopped bacon (optional)

2 cans cream of potato soup

1 16 ounce sour cream

2 cups shredded cheese

1 1/2 Parmesan cheese

Preheat oven to 375…grease 9x13 pan. In large bowl, mix all ingredients but the Parmesan. Spread in dish, sprinkle with Parmesan and bake for an hour.