APPLE & BLACKBERRY CRUMBLE - Tom Aikens

Ingredients

• 325g plain flour
• 175g butter, cut into small dice
• 100g soft light brown sugar
• 80g granulated sugar
• 100g oats
• 120g flaked almonds
• 2g salt
• 500g cooking apples, peeled and cut into 2cm rough dice
• 300g blackberries
• 50g butter
• 30g lemon juice
• 100ml apple juice
• 100g caster sugar
• Small pinch of salt
• ¼ cinnamon stick
• 1 vanilla bean, split in half with the seeds scraped out
• 20ml vanilla essence
• Splash of Calvados
• 300ml milk
• 100ml double cream
• 6 egg yolks
• 100g sugar
• 1g salt
• 10ml vanilla extract