Fill up the water and place it directly in the freezer. After the water turns into ice (it will freeze solid in about 6-8 hours), twist the ice tray and the ice will fall.

Note:

1) The ice tray must be cleaned before use, and the drawer where the ice is frozen should contain food with no peculiar smell;

2) If the ice tray is The ice tray is difficult to twist and the ice cubes are not easy to fall off. You can leave the ice tray in the air for 3-5 minutes;

3) There are various types of ice trays on the market and they are not expensive. You can consider making various shapes of ice cubes, ice cream and other frozen foods.