100g/3陆oz Morello cherry jam or cherry conserve
10驳/录辞锄 cocoa powder
150驳/5陆辞锄 ground almonds
170g/6oz icing sugar
165g/5戮oz granulated sugar
125驳/4陆辞锄 dark chocolate, minimum 70% cocoa, finely chopped
125ml/4fl oz double cream
4 (125ml/4fl oz) medium free-range egg whites
1 tsp kirsch (optional)