4 overripe bananas, peeled and sliced
2 bananas, peeled and sliced
60²µ/2¼´Ç³ú caster sugar
20g/1oz caster sugar
cocoa powder
20g/1oz icing sugar
1 vanilla pod, seeds removed
300²µ/10½´Ç³ú speculoos biscuits
chocolate curls or shavings
60²µ/2¼´Ç³ú unsalted butter
300²µ/10½´Ç³ú crème fraîche
300²µ/10½´Ç³ú double cream
50ml/2fl oz dark rum