6 lemons, juice and zest
200g/7oz fresh raspberries
raspberries
300驳/10陆辞锄 caster sugar
175g/6oz caster sugar
icing sugar
whipped cream
6 free-range eggs, plus 6 free-range egg yolks
300驳/10陆辞锄 mascarpone
1 x 25cm/10in sweet shortcrust pastry tart shell, baked blind (you can use ready-made pastry)
150ml/5陆fl oz champagne