1. If you put a whole potato into the pressure cooker, medium-sized potatoes need to be cooked for at least 15 minutes, and half potatoes also need to be cooked for 10 minutes, otherwise they will not be fully cooked. It is recommended that when cooking potatoes in a pressure cooker, cook them until the potatoes can be easily inserted into the bottom with chopsticks.

2. Potatoes, also known as potatoes, belong to the Solanaceae family and are annual herbs with edible tubers. They are the fourth most important food crop in the world, second only to wheat, rice and corn. Potatoes are also known as potato, potato head, fragrant potato, potato, mountain potato, sun taro, ground egg, potato, etc. (also called yam in Datong area of ??Shanxi Province). In some southern provinces, it is also called "winter potato" because it is often planted in winter after harvesting autumn rice. Potatoes have different names in different countries. For example, the United States calls it Irish jicama, Russia calls it Dutch potato, France calls it field apple, Germany calls it field pear, Italy calls it field bean, and Peru calls it baba, etc. Together with wheat, rice, corn, and sorghum, it is known as the world's five major crops. Potato tubers contain a large amount of starch, which can provide the human body with abundant calories. They are also rich in protein, amino acids and a variety of vitamins and minerals. In particular, their vitamin content is the most complete among all food crops. In European and American countries, especially North America, Potatoes have long since become the second staple food. Potatoes are native to the Andes Mountains of South America, and the history of artificial cultivation can be traced back to southern Peru from about 8000 to 5000 BC. The main potato producing countries include China, Russia, India, Ukraine, and the United States. China is the country with the largest total potato production in the world.