01 - Place bananas, milk, maple syrup or honey, vanilla extract, and ice cubes into the blender.
02 - Blend the mixture on high speed for about 30 seconds or until fully smooth and creamy.
03 - Taste and add additional maple syrup or honey if more sweetness is preferred.
04 - Pour the shake into two chilled serving glasses.
05 - Top with whipped cream, banana slices, and a sprinkle of ground cinnamon as desired; serve immediately.