8 apples (preferably Russet or Braeburn), peeled and cored
1 lemon, juice only
335驳/11戮辞锄 plain flour
200g/7oz golden caster sugar
10驳/录辞锄 salt
pinch salt
10驳/录辞锄 white wine vinegar, cold
65g/2录oz unsalted butter, chilled
250g/9oz butter, chilled
50g/1戮oz unsalted butter
clotted cream, to serve