"We all love a rich, creamy French potato gratin, but for a special occasion, or just for fun, make this version, which is encased in buttery flaky pastry so the gratin becomes a savory tart. Serve a small slice alongside roasted meats, or a larger portion for a vegetarian lunch, accompanied by a green salad. If you want to make it a few hours ahead, or even a day before, it reheats beautifully. Featured in: A Savory Potato Tart Recipe With A Relaxed Attitude On Starch...."