In a large bowl mash bananas until smooth. Add the plain yogurt, egg, vanilla and maple syrup and mix together. Stir in the melted butter.
Sprinkle the flour, baking soda and salt on top of the wet ingredients and stir until combined.
Fold in the mini chocolate chips to the batter until incorporated.
Spray your mini muffin pan with cooking spray and add one heaping tablespoon of the batter to each muffin cup.
Bake at 350 degrees Farenheit for 12-15 minutes until they look slightly golden brown.
Let cool for 5 minutes in the pan and then transfer to a wire rack.
Notes
Feel free to substitute the all purpose flour with whole wheat flour or use a combination of the two if desired. You can substitute the maple syrup with regular granulated sugar, brown sugar or honey.Store in an airtight container at room temperature for 2-3 days.