- 1 Granny Smith apple – peeled, cored and coarsely shredded
- 3 Granny Smith apples – peeled, cored and sliced
- 1 cup brown sugar
- 1 cup golden raisins
- 1 sheet frozen puff pastry, thawed
- 1 egg
- 1/4 cup milk
- Preheat oven to 400 degrees F (200 degrees C). Line a baking sheet with parchment paper.
- Place apples in a large bowl. Stir in brown sugar and golden raisins; set aside. Place puff pastry on baking sheet. Roll lightly with a rolling pin. Arrange apple filling down the middle of the pastry lengthwise. Fold the pastry lengthwise around the mixture. Seal edges of pastry by using a bit of water on your fingers, and rubbing the pastry edges together. Whisk egg and milk together, and brush onto top of pastry.
- Bake in preheated oven for 35 to 40 minutes, or until golden brown.