Wash the red beans and lotus seeds thoroughly and soak them in cold water for several hours or overnight
Drain the soaked red beans and lotus seeds, pour them into a pot with cold water, turn on the heat and boil
Put glutinous rice and raisins in a bowl, add water, stir in circles with chopsticks, and rub the raisins with your hands
Add red beans and lotus seeds to the boiling water and cook for about 20 minutes. Then add the washed and drained glutinous rice and raisins
Stir, cover and continue cooking for about half an hour, then add rock sugar
After stirring evenly, continue to cook on low heat until the soup in the pot becomes thick, the glutinous rice is soft, and the red beans are just cooked. Then turn off the heat
Cover the pot and continue to simmer for about 10 minutes. Ladle into a bowl and enjoy