In a large mixing bowl add the mashed bananas, applesauce, sugar free maple syrup, skim milk, eggs, baking soda, baking powder, vanilla extract, salt and cinnamon. Stir together well.
Add the chocolate chips and flour. Mix together but don't over stir it.
Line a muffin tin with cupcake liners. Divide the muffin batter into the 12 cups.
Bake for 20 minutes. Remove from oven and let cool for 5 minutes.