1, fry the vegetables that need to be pickled in the pot, but it should be hot. Keep them in the container, especially the vegetables with soup, so that a film can be formed on the top of the soup to keep them fresh.

2. Try to keep the leftovers in a cool and ventilated place to keep the leftovers delicious.

3. Put the leftovers in the bowl, then cover the bowl with plastic wrap and put it in cold water. Water can't pass through the bowl to prevent water from entering the bowl.