In a gallon zip lock bag, add peeled bananas, seal again, and mash. The whole recipe will be made in the zip lock back, so there will be very little clean up, plus I think its a great recipe for children because they can get involved and mash the bananas and mix up all of the ingredients.
Once the bananas are mashed, add the remaining ingredients and shake everything up to combine it. Cut a small corner off of the sealed bag, and use it like a pastry bag to fill a greased muffin tin (or paper liners) 2/3 of the way full. Bake for 13-15 minutes.
Makes 12 muffins.