Preheat the oven to 425°F (220°C). Line a baking sheet with parchment paper.
2. Step
In a small bowl, combine the sugar, cinnamon, cardamom, nutmeg, ginger, and cloves.
3. Step
On a cutting board, cut the pears lengthwise in 2 halves, removing the cores. Slice into ¹⁄₁₆-inch (1 mm) thick slices. Slice all the way through, but keep the pear halves together.
4. Step
Lay the pie crust on the prepared baking sheet and arrange the pear halves on top, separating the slices to cover the center of the crust, leaving a 1-inch (2 cm) border around the edge.
5. Step
Sprinkle the sugar spice mix over and between the pear slices.
6. Step
Fold the edge of the crust over the pears.
7. Step
Beat the egg in a small bowl, then brush over the crust. Sprinkle coarse sugar on top of the egg wash.
8. Step
Bake for 25 minutes, or until the crust is golden brown.
