simple potato gratin

Ingredients in this Recipe

1 cup milk, half and half or cream (if using something richer than milk, you can skip the butter)
2 ounces cheese, grated or crumbled (Parmesan or Gruyere are the classics, but that doesn’t mean that goat cheese, blue cheese or any of your favorites won’t work as well) [optional]
3 tablespoons butter, cut into pieces, plus an additional pat for buttering gratin dish
4 large yellow potatoes* (about 1 1/2 pounds), peeled
Salt and freshly ground black pepper

See Full Recipe at Smitten Kitchen