1 lemon, finely grated zest only
plain flour, for dusting
200g/7oz candied peel, roughly chopped
125驳/4陆辞锄 caster sugar
6 free-range eggs, separated
200g/7oz mascarpone cheese
1 x 400g/14oz ready-made puff pastry
300驳/10陆辞锄 ricotta cheese