Apple pie from the Big Green Egg

Ingredients

• 300 g strong white flour, plus extra for dusting
• 200 g butter at room temperature, plus extra to grease
• 100 g white caster sugar
• ½ organic lemon
• ½ vanilla pod
• 50 g strong white flour
• 1 egg
• 50 g almond paste
• 50 g ground almonds
• 50 g butter at room temperature
• 1 tbsp cornflour
• 5 apples, e.g. Elstars or Goudrenets
• 50 g raisins
• 400 g almond paste
• Icing sugar