1. Wash black beans in advance and soak them overnight.
2. Wash the earth eggs with a brush.
3. Take a cooking pot, add black beans and eggs, add two bowls of water to boil, and then simmer.
4. After the egg is cooked, take it out, shower it with cold water, peel off the shell, and put it in a boiling pot to cook with black beans.
5. After the black beans are cooked, add rice wine and cook for about half an hour.
6. Add appropriate amount of brown sugar powder and mix well to turn off the fire.
7. Finished product drawing.