陆 tsp baking powder
30驳/1录辞锄 cocoa powder
Cocoa powder
250驳/8戮辞锄 flour
Icing sugar
225g/8oz sugar
1 tsp vanilla extract
150驳/5陆辞锄 chocolate, minimum 70% cocoa solids, plus extra for melting (optional)
18 marshmallows
125驳/4陆辞锄 butter
3 free-range eggs