100驳/3陆辞锄 caster sugar
40驳/1陆辞锄 cocoa powder
icing sugar, for dusting
65驳/2陆辞锄 self-raising flour
300驳/10陆辞锄 dark chocolate (around 35-40% cocoa solids), broken into small pieces
300ml/陆 pint double cream
300ml/陆 pint double cream, whipped
4 large free-range eggs