Purple potato is also called black potato, and its meat is purple to deep purple. Besides the nutrients of common sweet potato, it is also rich in selenium and anthocyanins. Purple sweet potato is one of the main raw materials of anthocyanin. Add the sieved low-gluten flour and purple sweet potato paste into butter and knead into dough. The kneaded dough should be slightly dry, so don't touch it with your hands. If the dough is too wet, add proper amount of flour, seal it with plastic wrap and put it in the refrigerator for about an hour.

Purple sweet potato is a common coarse grain in our family, which is not only rich in the nutrition of ordinary sweet potato, but also rich in selenium and anthocyanins. Many purple and black foods are rich in anthocyanins, such as black wolfberry and purple cabbage. Anthocyanin has the auxiliary function of beauty beauty. Steamed purple potatoes are pressed into mud with a spoon. If the purple potato puree is dry, you can add a few spoonfuls of milk to dilute it. Let the purple potato paste be moist and sticky, and it can be wrapped.

Put it into a bowl after steaming, and add 3 spoons of sugar and 4 spoons of milk with the spoon you usually eat. If you like sweet, you can add more sugar and milk. Press the purple potato into purple potato paste with a spoon. It can also be used as afternoon tea after cooling, and the taste refers to souffle. It can be heated again after cooling, and it only takes one minute to sting in the microwave oven. I especially like both ways of eating. Put oil and sugar in a hot pot (1:2), simmer until all the sugar melts, and pour a bowl of water or not. Keep stirring until the sugar color turns to jujube red, immediately pour in the purple potato and stir until the surface of the purple potato is covered with syrup.

Purple sweet potato is not only pleasing to the eye, but also nutritious. Besides the nutrients of common sweet potato, it is also rich in selenium and anthocyanins. Not only has the effects of relaxing bowels and beauty beauty, but also has certain effects of preventing hypertension, relieving liver dysfunction and resisting cancer. Wash the purple potato, put it in a steamer, steam it in boiling water for half an hour, open the lid and insert the purple potato with chopsticks to see if it is ripe. If it is not cooked, steam it for a while, if it is cooked, turn off the heat. Knead the mixed sago noodles into strips, cut them into the same small doses, roll them into skin, wrap them in purple potato paste, and put them in a pot for 5 minutes on medium heat.