01 - Place bananas, milk, maple syrup or honey, vanilla extract, and ice cubes into the blender.
02 - Process the ingredients on high speed for approximately 30 seconds until the mixture is smooth and frothy.
03 - Taste and add extra sweetener if desired for your preferred flavor.
04 - Pour the shake evenly into two chilled serving glasses.
05 - Top with whipped cream, banana slices, and a sprinkle of cinnamon as desired. Serve immediately.