For the pastry:
- 2 sheets of puff pastry (store-bought or homemade)
- 1 large egg (for egg wash)
- 1 tbsp milk
For the filling:
- 3 medium apples (preferably Granny Smith), peeled, cored, and diced
- 3 tbsp granulated sugar
- 1 tbsp brown sugar
- 1 tsp ground cinnamon
- 1/8 tsp ground nutmeg
- 1 tsp vanilla extract
- 1 tbsp cornstarch1 tbsp water
Optional: Powdered sugar for dusting or a simple glaze (made with powdered sugar and milk)