To make one 9-inch pie, gather the following ingredients:
For the Pastry:
- 225g (1 ¾ cups) plain flour: The base for the buttery shortcrust pastry.
- 150g (⅔ cup) unsalted butter, chilled and cubed: Adds richness to the pastry.
- 2–3 tbsp cold water: To bring the dough together.
- 1 tbsp caster sugar: Adds a touch of sweetness to the crust.
For the Filling:
- 3 large cooking apples (like Bramley), peeled, cored, and sliced: Provides tartness and texture.
- 200g (1 ½ cups) fresh blackberries: Adds a sweet-tart flavor to the filling.
- 100g (½ cup) caster sugar: Sweetens the fruit filling.
- 1 tsp ground cinnamon: Adds warmth and spice.
- 1 tbsp plain flour: Helps to thicken the filling.
- Juice of half a lemon: Balances the sweetness of the filling.
For the Glaze:
- 1 beaten egg: To give the crust a golden finish.
- 1 tbsp demerara sugar (optional): Adds extra sweetness and crunch to the crust.