For the pastry:
- 250g plain flour
- 150g Lurpak® Unsalted Butter, cold & cut into small pieces
- 1 tbsp golden caster sugar
- 1 egg yolk
For the filling:
- 6 large apples, skin on and thinly sliced
- 250g blackberries
- 2 tbsp cornflour
- 100g golden caster sugar
- Zest of one orange
- Zest of one lemon
To finish:
- 1 egg, lightly beaten
- Demerara sugar to finish