Cook for about 2 to 3 minutes, and the rice can be eaten; To cook rice in an electric cooker for dormitory, first prepare the electric cooker, rice (half a bowl), and the ratio of rice to water should be 1: 1.2 (measure, put it in the rice water with your index finger, as long as the water exceeds the first joint of your index finger), adjust the temperature of the electric cooker to boiling, wait for the water to boil for about 8 minutes, and then pour the rice into the pot, with the weight of rice about half a bowl. You will see rice congee bubbling in the electric cooker, ready to overflow at any time. At this time, you should open the lid and stir the bottom of the pot with chopsticks to avoid sticking to the pot. Finally, you will cook for about 2~3 minutes, and smell the fragrance of white rice, and the rice can be eaten. You can also use an electric cooker to make spaghetti with meat sauce, and an electric cooker to heat oil. Wait for five minutes, cut tomatoes and chop them. When the oil is hot, put the meat in and stir fry. After the meat changes color, add the tomatoes and stir fry for about three minutes.