80g of black soybeans, 40g of chickpeas, 850ml of water / Thin version
Rinse the black soybeans thoroughly and soak for at least 8 hours.
Peel the soaked black soybeans.
Add water and black soybeans to the blender in a 2:1 ratio.
Blend until smooth.
Strain the mixture and pour it into a pot.
Cook over medium-low heat, stirring for 10 minutes.
Cool down and store in the refrigerator.