225g/8oz plain flour
1陆 tsp bicarbonate of soda
300g/10陆oz soft dark brown sugar
1陆 tbsp cocoa powder
75驳/2陆辞锄 cocoa powder
90ml/3fl oz (or 75驳/2陆辞锄 if weighed when solid) coconut oil
1 tbsp chopped pistachios, to decorate
陆 tsp fine sea salt
50g/1戮oz soft dark sugar
1陆 tsp cider vinegar or white wine vinegar
150驳/5陆辞锄 dark chocolate (minimum 70% cocoa solids), finely chopped
75驳/2陆辞锄 coconut butter (this is not the same as oil)
1陆 tsp instant espresso
1陆 tsp instant espresso powder