Potato Gratin with Ricotta, Pancetta & Melted Leeks

Layering Potatoes, Melted Leeks, Ricotta, and Pancetta

There are few dishes in the world more deeply satisfying than a perfectly made Potato Gratin. And by perfectly made, I mean the potatoes are cooked just until tender (not falling apart), are enveloped in a creamy (not curdled) sauce, and are well-seasoned, (not bland). Of course, it goes without saying that you should use a copious quantity of cheese and it should be excellent quality and aged to boot. In a dish this simple, each ingredient counts.

Quintessential Potato Gratin

Potato and Onion Gratin

Is there anything finer in the world of vegetable cookery than a properly made Potato Gratin? Not in my book. However, there is a complicating factor that needs consideration. Potatoes are surprisingly acidic and have a definite tendency to curdle milk, half-and-half, and even, but to a lesser degree, heavy cream. What’s the cook to do?

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