Recommended practice of eight-treasure porridge:
1, soak all ingredients except red dates and walnuts in water for more than three hours;
2. Put half of the water in a big casserole, then add black beans, red beans and Euryale ferox, and boil;
3. After half an hour, pour the soaked rice and purple rice together with water and cook them together;
4. After the fire is boiled and turned to low heat for one hour, pour in peanuts and cook red dates together;
5. After boiling until it is very sticky, add walnuts and continue to cook on low heat until it is soft and rotten;
6. Finally, add rock sugar to taste.