Open tofu package and drain water. Take tofu out of the package and wrap tofu with paper towel. Place it on a small plate. Pour water into the tofu package to use as a weight, and place it on the wrapped tofu. Let it sit for about 10 minutes to drain more water.
In a small bowl, mix tofu, maple syrup (or honey), and lemon juice with hand mixer until smooth.
In a small cup, mix instant coffee powder and hot water.
Slice half of banana to use for decoration later. The other half goes into the coffee. Smash banana and mix.
In a serving cup, place coffee mixture and tofu mixture alternately until cup is 2/3 filled. Sift cocoa powder and decorate sliced banana and mint leaves. Cool in the refrigerator until serving.