3 small just-ripe bananas, sliced
1 x 397g/14oz full-fat condensed milk (see tip)
75驳/2戮辞锄 light muscovado sugar
1 tsp vanilla extract
50驳/1戮辞锄 dark chocolate, melted or cocoa powder
150g/5陆 oz digestive biscuits (about 10)
75驳/2戮辞锄 butter
300ml/10fl oz double cream