This is potato gratin the way it should be: rich, melt-in-your-mouth creamy, and loaded with flavor. We layer russet potatoes with Gruyère cheese to add earthy nuttiness, while a mixture of cream and ...
For the casserole: Preheat the oven to 375°F ... Refrigerate while you prepare the potatoes so the flavors have time to meld. Place the potatoes into a large pot and cover them with cold water ...