3 lemons, rinds only (white pith removed)
1 unwaxed lemon, juice and rind (white pith removed)
1 unwaxed lemon, zest only
300驳/10陆辞锄 caster sugar
50驳/1戮辞锄 caster sugar
80g/3oz caster sugar
200g/7oz savoiardi biscuits (sponge fingers)
2 free-range eggs, yolks and whites separated
250g/9oz mascarpone
500ml/18fl oz vodka