01 - Add bananas, milk, maple syrup or honey, vanilla extract, and ice cubes to the blender.
02 - Blend the mixture on high for about 30 seconds, or until the shake is completely smooth and frothy.
03 - Taste the shake and adjust sweetness as desired, adding more maple syrup or honey if needed.
04 - Divide the shake evenly between two chilled serving glasses.
05 - Top with whipped cream, banana slices, and a dusting of ground cinnamon, if desired. Serve immediately.