Exercise:
1. Wash the black beans in advance and soak them all night.
2. Wash and soak red beans for a while, and wash peanuts for later use.
3. Then put the black beans and red beans into the pressure cooker, add appropriate amount of water and cook for about 1 hour.
4. After 1 hour, add peanuts and sesame seeds and continue to cook for about1hour.