Wash the sesame seed cake with water first, so that the surface of the sesame seed cake is fully covered with a layer of water.
Two: Fill the plate with water, and provide water when the microwave oven is working, so as to keep the environment in the microwave oven warm.
Three: Put the sesame seed cake with wet surface on the shelf, and put the plate filled with water under the shelf.
Four: set the microwave oven to medium heat 1 min, so that the heated sesame cake will not dry.