陆 orange, zest only
225g/8oz caster sugar
50驳/1戮辞锄 caster sugar
100g/3陆oz plain flour
225g/8oz dark chocolate (minimum 70% cocoa solids)
150g/5陆oz unsalted butter
150g/5陆oz full fat cream cheese
3 free-range eggs
1 free-range egg
100ml/3陆fl oz strong espresso coffee