2 large Bramley apples, peeled and roughly chopped
125²µ/4Β½΄Η³ϊ blackberries
1 lemon, juice only
250g/9oz plain flour, plus extra for flouring
25g/1oz icing sugar
Β½ tsp salt
1 vanilla pod, split and seeds scraped
250g/9oz very cold butter, cut into small cubes
40²µ/1Β½΄Η³ϊ butter
300ml/10fl oz double cream