Note: Turn off the heat after the water boils, and continue to cook for 5 to 10 minutes. If you are not sure whether it is cooked, you can poke it with chopsticks. If it is soft, it is cooked, and you can cook it at this time.

Or you can cook with a rice cooker. The method is the same as above. Press the cooking button, and the rice cooker will automatically jump after cooking. However, don't open the lid in a hurry after cooking, and keep the temperature for about 10 minutes, and the purple potato can be eaten. There are other cooking methods such as sweet potatoes that are similar to this, and the time is almost the same.

Extended data:

Purple sweet potato is rich in dietary fiber, starch, vitamins, trace elements (selenium, iron, calcium, potassium, etc.), anthocyanins, glycoproteins, carotene, dehydroepiandrosterone and other functional factors, and has the functions of antioxidation, anti-tumor, enhancing memory, preventing hypertension, repairing myocardium, alleviating liver dysfunction and enhancing immunity.

Polyphenols in purple sweet potato selectively combine with protein, the outer layer of HIV, to form immune function, which hinders HIV infection and is considered as an important substance to inhibit the onset of AIDS.

Baidu Encyclopedia-Purple Potato