According to the ratio of 3:2: 1: 1, prepare black beans, black rice, black sesame seeds, walnuts and other materials, and prepare a proper amount of rock sugar.

1. Black beans, black rice and black sesame seeds are washed with clear water, and it is convenient to wash sesame seeds with the filter screen of soymilk machine.

2. Put black beans, black rice and black sesame into the soymilk machine, add water to the lowest water level line, and add it to the highest water level line if you want to drink it lightly.

3. Press the double coarse grain button of the soymilk machine. After about half an hour, pour out, add rock sugar, stir and melt, and then drink.