Fresh Peach Pie

Bahan-bahan (8 porsi)

• ⅓ cup all purpose flour
• 1 cup white granulated sugar
• ½ teaspoon cinnamon
• ¼ cup butter, (at room temperature)
• 1 recipe double pie crust ((your favorite recipe, or store bought))
• 8 to 10 large fresh peaches, (pitted, peeled and sliced)
• 1 medium egg, (whisked with 1 tablespoon water)
• coarse sugar, (for topping (optional) )