Sam Swiss rolls were thawed at room temperature, frozen, refrigerated and microwave oven. 1, room temperature thawing: the specific thawing time depends on room temperature.

2. Refrigeration and thawing: put the Swiss roll in the refrigerator and wait for thawing.

3. Thawing in microwave oven: put the Swiss roll in microwave oven, set it to medium-high fire, and thaw 1 min.