On a lightly floured work surface, roll one disk of pastry into a circle approximately 12” – 13” round and about 1/16" - 1/8“ thick. Transfer pastry to a lightly greased 9” pie plate, fitting the dough over the bottom and sides of the plate, ensuring there are no air pockets. Trim pastry flush with edge of pie plate. Place pie shell in refrigerator for approximately 20 minutes to chill.
When pie shell is almost ready to be removed from refrigerator, place raspberries in large bowl. In separate bowl, combine the sugar, cornstarch, nutmeg, cinnamon, and salt. Mix well. Add the dry ingredients to the raspberries and toss very gently to coat the raspberries. Let stand for 5 minutes, then carefully stir mixture again to ensure all ingredients are incorporated and equally distributed. Be careful not to break down the raspberries causing them to start releasing their juices prematurely.
Transfer the raspberry filling to the prepared pie shell. Cut the butter into small pieces and distribute on top of the filling. Moisten edges of pastry with a small amount of water.
While pie is chilling, place oven rack in bottom third of oven. Preheat oven to 425°F. Whisk ¾ teaspoon of water into remaining beaten egg. Remove pie from refrigerator (or freezer) and, using a pastry brush and a light touch, lightly brush egg wash over top crust of pie. If desired, sprinkle top of pie with 1½ – 2 teaspoons of cane sugar. Place chilled pie on tinfoil-lined baking sheet to catch any drips should filling bubble out as pie bakes. Transfer pie to oven. Bake for 15 minutes at 425°F then reduce oven temperature to 375°F. Bake for about 45 minutes or until crust is baked and golden brown and pie shows signs that filling is bubbling. Check pie after it has been in the oven for about 30-35 minutes – if top crust is browning too quickly, loosely tent pie with tin foil.
Remove pie from the oven and transfer to wire rack to cool completely (minimum of 4 hours for the filling to set) before cutting and serving plain or with a scoop of fine vanilla ice cream.
Yield: 1 – 9” double-crusted pie
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