Optional for serving: whipped creamwhipped coconut cream, chocolate shavings, chocolate syrup or mini chocolate chips
Combine the coffee, banana, cocoa powder, chia seeds, agave, and vanilla extract in the bottom of a blender.
Blend until smooth, about 30 or so seconds depending upon your blender, then add a small handful of ice cubes, blending until the mixture becomes thick. Continue adding ice cubes until you reach your desired consistency (I like mine fairly thick). Pour into a glass. Garnish as desired and enjoy immediately.
This Mocha Frappuccino is best enjoyed immediately after its made. For a head start on the recipe, brew your coffee up to 1 day in advance and store in the refrigerator in an airtight container.