Preheat the oven to 180 degrees top and bottom heat.
Mash the bananas with a fork. Add all the other ingredients and mix well. Place the muffin cups on a muffin tray. Divide the batter between 6 ramekins.
Pour the dough into the baking tin and place in the oven for approx. 20 minutes. Then remove from the oven and leave to cool.