3 Braeburn apples, peeled, cored and cut into 1cm/Β½in thick slices
3 Cox apples, peeled, cored and cut into 1cm/Β½in thick slices
150g/5Β½oz dried sour cherries
1 lemon, zest only
430g/15oz plain flour, plus extra for dusting
50²µ/1ΒΎ΄Η³ϊ caster sugar
60²µ/2ΒΌ΄Η³ϊ caster sugar
pinch ground cinnamon
4 tbsp cornflour
200g/7oz marzipan, cut into small cubes
pinch salt
1 free-range egg, lightly beaten with a pinch of salt
225g/8oz unsalted butter, in pieces