01 -
Place the frozen banana, cooled espresso, cocoa powder, peppermint extract, and almond milk into a high-speed blender.
02 -
Blend on high speed until the mixture reaches a smooth and creamy consistency, approximately 1 minute.
03 -
Taste the smoothie and, if desired, enhance the peppermint intensity by adding a bit more peppermint extract.
04 -
Pour the smoothie into serving glasses and serve immediately.