250g/9oz (approx. 2 medium) very ripe or overripe bananas, peeled
50²µ/1¾´Ç³ú tahini, at room temperature
4 tsp tahini
½ tsp bicarbonate of soda
50²µ/1¾´Ç³ú soft dark brown sugar
50²µ/1¾´Ç³ú caster sugar
25g/1oz cocoa powder
date molasses, for drizzling
¼ tsp fine sea salt
1 tsp vanilla extract
4 tbsp olive or vegetable oil
100²µ/3½´Ç³ú dark chocolate chips
60g/2¼oz plain flour (or gluten-free flour)
250ml/9fl oz double cream
1 large free-range egg, at room temperature
50²µ/1¾´Ç³ú full-fat Greek-style yoghurt, at room temperature