陆 orange, finely grated zest only
fresh orange zest, to decorate (optional)
陆 tsp baking powder
100驳/3陆辞锄 caster sugar
40驳/1陆辞锄 cocoa powder, sifted
100驳/3陆辞锄 orange-flavoured milk chocolate, from a ball or bar, broken into pieces
100驳/3陆辞锄 self-raising flour
sunflower or vegetable oil, for greasing
100驳/3陆辞锄 softened butter, cubed
2 medium eggs
cream, ice cream or custard, to serve