Ingredients:
1 1/2 to 2 pounds potatoes (peeled and thinly sliced)
4 tablespoons melted butter (divided)
2 tablespoons minced onion
1 tablespoon fresh chopped parsley
1/2 teaspoon garlic powder or 1 large clove of garlic (pressed)
1/2 teaspoon kosher salt
1/4 teaspoon freshly ground black pepper
1/2 cup good quality grated Parmesan cheese (divided).
