1 unwaxed lemon, finely grated zest only
150ml/录 pint lemon juice
250g/9oz plain flour, plus extra for dusting
1 tbsp caster sugar
325驳/11陆辞锄 caster sugar
225g/8oz caster sugar
80驳/2戮辞锄 cornflour
pinch salt
125驳/4陆辞锄 butter, cut into cubes
80驳/2戮辞锄 unsalted butter, cut into cubes
3 large free-range egg whites
2 large free-range egg yolks
4 large free-range egg yolks