1 very ripe banana (about 100g/3½oz), mashed with a fork
85g/3oz honey or golden syrup
100g/3½oz wholemeal, spelt or plain flour
¼ tsp bicarbonate of soda
2 tbsp cocoa powder
2 tbsp melted butter or coconut oil
½ tsp vanilla extract
50²µ/1¾´Ç³ú chocolate chunks (milk, dark or white)