2 ripe bananas
250g/9oz plain flour
250g/9oz brown sugar
4 tbsp icing sugar
pinch salt
2 tbsp sugar
125g/4陆oz good-quality plain chocolate, shaved with a knife
125g/4陆oz cold butter, diced
50驳/1戮辞锄 butter
1 tbsp double cream
142ml/录 pint double cream
500ml/18fl oz double cream
2 free-range eggs yolks only