2 very ripe bananas, mashed
150g caster sugar
150g Heinz [Seriously] Good Mayonnaise
2 large free-range egg
1 tsp vanilla extract
260g self-raising flour
1 tsp baking powder
1/2 tsp bicarbonate of soda
12 dried banana chips to decorate
Place 12 paper baking cases in a muffin tin and preheat the oven to 190C/170C fan.