8 clementines
1 clementine, juice only
1 tsp baking powder
175g/6oz golden caster sugar
75驳/2戮辞锄 caster sugar
50驳/1戮辞锄 cocoa powder
pinch salt
125驳/4陆辞锄 self-raising flour
陆 vanilla pod, split in half lengthways and seeds scraped out
50ml/2fl oz orange liqueur
175g/6oz butter, softened, plus extra for greasing
40驳/1陆辞锄 butter
200g/7oz cr猫me fra卯che
3 medium free-range eggs
100ml/3陆fl oz orange juice