■ Microwave method

Put the wet biscuits on the plate, then heat them in the microwave oven, but pay attention to heating them on medium heat for about 1 minute, and then take them out. If it is still wet, you can heat it for another 30 seconds, but please be careful not to be turbid.

■ refrigerator

Seal the wet biscuits and put them in the refrigerator. After a few hours, the cookies will become brittle.

■ Blow dry with a hair dryer.

Put the wet biscuits under the hair dryer and blow them for a while to dry the moisture inside. When dried, cookies will become brittle.

■ oven baking

If you have an oven at home, you can bake the wet biscuits in the oven for a minute or two to restore the crisp texture of the biscuits.