Popcorn is not crispy because it has been left for too long. After the popcorn is puffed at high temperature, it forms an enlarged plastid with low moisture and a very small density. After being left for a period of time, the water molecules in the air will adhere to the popcorn. Since the popcorn is an enlarged plastid of corn, it will The area of ????water vapor is larger, which increases the humidity of the popcorn, so it is not crispy. The popcorn can be sealed and stored to prevent moisture.

How to make popcorn crispy if it is not crispy: 1. Heat the popcorn slightly in a pot to remove moisture, then place it in the refrigerator to refrigerate for 20-30 minutes. 2. Place the popcorn in the microwave at high temperature for 3 minutes. 3. Heat a pot of oil and fry the popcorn for 1-2 minutes. This will fry out the water and make it crispy.