Drain silken tofu using a sieve to remove excess water.
Blend silken tofu, milk, sugar, and cocoa powder in a blender until smooth.
Melt the chocolate using a double boiler.
Add the melted chocolate to the blender and mix well.
Pour the mixture into a container and freeze for 3–4 hours.
Every 30 minutes, stir well with a fork to create a creamy texture.
Once fully frozen, scoop out the ice cream and serve in a bowl.