Using a mandoline or a sharp knife, slice potatoes into desired thickness. Arrange potato slices vertically and loosely in prepared dish or skillet.
Sprinkle garlic and Italian seasoning on top of potatoes. Season with salt and pepper to taste. Dot potatoes with butter.
Cover dish with foil and bake for about 1 hour or until potatoes are tender.
Remove foil, sprinkle with Parmesan cheese and bake for another 15 minutes or until crisp.