01 - Slice and freeze the ripe bananas if not already done. Measure remaining components.
02 - Add frozen banana slices, milk, cocoa powder, peanut butter, maple syrup or honey, vanilla extract, and salt into the blender.
03 - Blend the mixture on high speed until completely smooth and creamy.
04 - Taste and add additional maple syrup or honey if desired for extra sweetness.
05 - Pour the smoothie evenly into two glasses.
06 - Top with any desired toppings such as whipped cream, chocolate shavings, or crushed peanuts. Serve immediately.