4 bananas, chopped and frozen
3 tbsp smooth peanut butter
30g/1oz plain flour
75驳/2戮辞锄 breadcrumbs
125驳/4陆辞锄 caster sugar
200g/7oz dark chocolate, chopped
175g/6oz butter, plus extra for greasing
40驳/1陆辞锄 butter
3 large free-range eggs