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Parmesan Crusted Potato Gratin with Fresh Thyme

Parmesan-Crusted Potato Gratin with Fresh Thyme
Serves 12

This creamy, Parmesan-topped potato gratin is perfect for a crowd. The crisp cheese crust, browned and crunchy at the edges, is an ideal foil for multiple layers of paper-thin potato slices scented with thyme, nutmeg, and white pepper. The Parmesan sprinkled on each layer adds just the right amount of saltiness, and the garlic-infused cream brings a rustic earthiness to the gratin.

3 cups/720 ml heavy whipping cream
1 large garlic clove, finely minced
2 tbsp unsalted butter, at room temperature
6 large red-skinned potatoes, about 4 lb/1.8 kg,
   peeled and cut into paper-thin slices
1 cup/115 g freshly grated Parmesan cheese,
   preferably Parmigiano-Reggiano
2 tbsp minced fresh thyme
Freshly grated nutmeg
Freshly ground white pepper

1. In a small saucepan, combine the cream and garlic over medium heat, bring to a simmer, and simmer for 5 minutes. Remove from the heat and let the cream and garlic steep while you prepare the potatoes.

2. Position a rack in the center of the oven and preheat to 325°F/165°C/gas 3. Generously grease a 12- to 14-cup/2.8- to 3.2-L shallow baking dish or gratin dish with the butter.

3. Arrange a layer of potatoes in the bottom of the dish, creating rows and overlapping slices. Sprinkle the potatoes with 2 tbsp of the Parmesan cheese, a big pinch of thyme, and a smidgen of nutmeg and pepper. Stir the cream and gently pour about 1/4 cup/60 ml evenly over the top. Repeat the layering, seasoning each layer with cheese, thyme, nutmeg, and pepper and topping it with about 1/4 cup/60 ml of the cream, until all of the potatoes are used. You should have about three layers of potatoes, depending on the shape of the dish. Pour the remaining cream evenly over the top and sprinkle with the remaining Parmesan. Cover the dish with aluminum foil. (The gratin can be made up to this point and set aside for up to 2 hours before baking.)

4. Bake the gratin until the potatoes are almost tender and the liquid is mostly absorbed, about 1-1/2 hours. Uncover the gratin and continue to bake until the liquid is completely absorbed and the potatoes are browned and moist, about 30 minutes longer. If desired, turn on the broiler and broil until the top is browned and crisp, 2 to 3 minutes, making sure the dish is broiler safe.

5. Set aside to rest for 10 minutes before serving. Cut into wedges or squares and serve directly from the dish.

Cook’s Note: You can make this recipe in individual gratin dishes. To serve eight, cut the ingredients by one-third and assemble the gratins in eight 5-in/12-cm round white porcelain gratin dishes. Bake for about 45 minutes and then begin to check for doneness.

 

Ingredients

Steeping the Garlic and Cream

Grating the Parmesan

Slicing the Potatoes

Layering the Potatoes

Individual Gratins

Layered Potatoes

Layered Potatoes with Cream

Cookbook
Chef Central - Paramus | 240 Route 17 North | Paramus | NJ | 07652 | (201) 576-1000| Copyright 2013 - Acorn Advisors
Chef Central - The Crossroads Center | 443 Tarrytown Road - Rt 119 | White Plains | NY | 10607 | (914) 328-1376