Ingredients
Pastry (you could also use store bought Pastry instead):10 tablespoons (10 ounces) unsalted butter2 cups flour3/4 teaspoon salt1/4 cup ice waterRoasted Potatoes:2 pounds Washington Russet potatoes1/2 cup (1/4 pound) unsalted butter, melted1 teaspoon dried thyme leaves, crushed1 teaspoon Kosher salt1 teaspoon ground white pepperRicotta-Chèvre Filling:2 cups ricotta cheese1 cup chevre (goat cheese)1/2 cup grated Parmesan1 teaspoon Kosher salt1/2 teaspoon ground white pepper1 egg2 medium leeks, white portion only, thinly sliced2 tablespoons unsalted butterKosher salt and ground white pepper to taste1 cup (4 ounces) shredded Fontina cheese1 egg1 teaspoon water1 tablespoon chopped fresh thyme leaves