1. If the rice is soaked for a long time, more than 1 hours, it will only take 2 hours to cook; if the rice is soaked for a short time, it will take 3 hours to cook.

2. put the wrapped zongzi into a pressure cooker and add water, and the water will overflow the zongzi by about 1.2 cm. Cover the lid tightly, press the upper limit valve after boiling the pot, and cook the zongzi with medium and small fire for about 3 minutes.

3. You must boil the rice dumplings before dropping them. The rice dumplings should be soaked in water. After the water is boiled again, you can cook them with low fire for about 2 hours (in fact, the key to the length of time depends on the size of the rice dumplings you wrap).