2 lemons, zest only
200g/7oz raspberry jam
140g/5oz fresh breadcrumbs
100²µ/3Β½΄Η³ϊ caster sugar
110g/4oz caster sugar
1 tbsp icing sugar, for dusting
1 vanilla pod, split
225ml/8fl oz double cream
4 free-range egg whites
5 free-range egg yolks
225ml/8fl oz milk