Black soybean soy milk made with a soy milk maker
Rinse the black soybeans thoroughly and soak them overnight.
Boil the soaked black soybeans in boiling water for 15 minutes.
Drain the boiled black soybeans.
Add the black soybeans and water to a blender and blend until smooth.
Strain through a sieve to remove any solids.
Pour the soy milk into a pot and simmer over low heat for 10 minutes.
Let it cool to finish.