Ingredients: 4 ounces pancetta small dice 1 cup plus 1 tablespoon whole milk 6 tablespoons unsalted butter 1/2 teaspoon kosher salt 1 cup all-purpose flour 5 large eggs 1 yolk, at room temperature 3 ounces grated Parmigiano Reggiano cheese 3 ounces grated Fontina 1 tablespoon fresh thyme leaves finely chopped Instructions: Heat oven to 400°F and arrange …