4 lemons, juice only
2 lemons, zest only
2 lemons, juice and zest
75驳/2戮辞锄 caster sugar
200g/7oz caster sugar
200g/7oz self-raising flour, plus extra for dusting
200g/7oz unsalted butter, plus extra for greasing
50g/1戮oz unsalted butter
3 free-range eggs, beaten
2 free-range egg yolks
100驳/3陆辞锄 mascarpone