2 very ripe bananas, mashed
150g caster sugar
150g Heinz [Seriously] Good Mayonnaise
2 large free-range eggs
1tsp vanilla extract
260g self-raising flour
1tsp baking powder
½ tsp bicarbonate of soda
12 dried banana chips to decorate
Place 12 paper baking cases in a muffin tin and preheat the oven to 190°C/170°C fan.