1. After all materials are soaked in water for at least one hour.
2. After the water in the casserole is boiled, add all the ingredients.
3. Cook over high fire and stew over low fire. When the purple potato is soft, it is pressed into purple potato paste, so that the porridge becomes purple.
Sweet potato belongs to the genus Ipomoea of Convolvulaceae, and its pulp is purple to deep purple, so it is also called black sweet potato, purple sweet potato or purple sweet potato. Purple sweet potato is a special variety of sweet potato, which has the characteristics of edible, economic and medicinal crops. Besides the components and functions of common sweet potato, it also has many physiological functions and is an important raw material for food, medicine, chemical industry, light industry, textile and other industries.
The original meaning of "eight-treasure porridge" refers to porridge made from eight different raw materials. But today. Many "eight-treasure porridge" use more than eight kinds of materials. "Eight-treasure porridge" generally takes japonica rice, glutinous rice or black glutinous rice as the main material, and adds auxiliary materials, such as mung beans, red beans, lentils, white lentils, red dates, peach kernels, peanuts, lotus seeds, longan, pine nuts, yams, lilies, medlar, gordon euryales and coix seed. People in different parts of China choose different materials according to their dietary preferences. Different brands of cans have different materials for "eight-treasure porridge". But there are basically four kinds of raw materials: rice, beans, dried fruits and Chinese herbal medicines. Cooking at home is "eight-treasure porridge", sometimes chestnuts, carrots, sausages, bacon and so on are added.
Eight-treasure porridge, also known as Laba porridge and Buddha porridge, is a traditional festival food in China. It is a kind of porridge cooked with various ingredients in Laba Festival. "Old Wulin Stories" written by China literati in the Southern Song Dynasty said: "Cooking porridge with walnuts, pine nuts, milk, persimmons and chestnuts is called Laba porridge. Eight-treasure porridge has the effects of strengthening the spleen and nourishing the stomach, resolving food stagnation and losing weight, benefiting qi and calming the nerves. It can be used for dietotherapy of obesity and neurasthenia, and can also be used as daily health food.