Combine the flour, baking powder, salt and 2 tbsp sugar. Combine the oil, egg yolk and iced water. Stir into dry ingredients until combined.
Knead until smooth.
Divide into two portions, cover and refrigerate for 30 minutes.
Preheat oven to 180°C.
Roll out one portion of pastry to line a 25cm round pie dish. Brush with egg white.
Toss the apples in lemon juice.
Combine the ½ cup sugar and cinnamon. Place half of the apples in the pastry case. Sprinkle over half of the cinnamon sugar. Repeat with the rest of the apples.
Roll out remaining pastry. Place over the apples. Press the edges to seal. Trim.
Make 2 slits on top and brush with egg white.
Sprinkle with a little extra sugar.
Bake for 40-45 minutes until golden.
Serving Size 6 - 8 Servings