1 Heat the oven to 180°C (160° fan) 350°F gas 4. Butter 4 ramekins.
2 Heat the milk in a pan to a boil. Stir in the xylitol and polenta. Remove from the heat and stir for about 3 minutes until thickened.
4 Pour the polenta mixture into the ramekins.. Arrange the banana slices on top and press into the polenta.
5 Bake for about 15 minutes until set. Sprinkle with powdered xylitol.