1 lemon, finely grated zest only
plain flour, for dusting
200g/7oz candied peel, roughly chopped
125²µ/4Β½΄Η³ϊ caster sugar
6 free-range eggs, separated
200g/7oz mascarpone cheese
1 x 400g/14oz ready-made puff pastry
300²µ/10Β½΄Η³ϊ ricotta cheese