Find a transparent plastic box (ordinary fast-food boxes can also be), take a paper towel, can also be a few layers of the paper towel, the paper towel wet to wet (so that the paper towel full of water but the water will not flow from the paper towel can be). Fix the wet paper towel on the top of the inside of the box, put in the cake, fasten the box up and seal it in the refrigerator, it can be stored for many days!

Because the wet paper towels can provide a steady stream of water to the cake, to prevent the cake from drying out and hardening, seal the box and prevent the string of flavors, to ensure that the cake's original flavor Oh ~ ~ try it!