01 - Place cooled coffee, banana, milk, honey or maple syrup, vanilla extract, ice cubes, and oats (if using) into blender container.
02 - Process on high speed for 30-45 seconds until mixture achieves smooth, creamy consistency without ice chunks.
03 - Test flavor and add additional sweetener if desired, blending briefly to incorporate.
04 - Distribute evenly between two glasses and enjoy right away while chilled.