This is a popular cake eaten at Christmas，which consists of a chocolate swiss roll with cream in the middle. The Yule log is usually decorated with icing sugar and sometimes a Christmas themed decoration.
蛋黄加砂糖打至细泡，加牛油边加边mix，再加牛奶mix，筛入低粉与泡打粉mix。
蛋白打至细泡，加入他他粉，打至浓密泡，分5次加入糖。
捞一勺蛋白与蛋黄糊mix，蛋黄糊倒入蛋白mix，往上翻。
预热烤箱200，烤盘垫上油布，180度10分钟盖上油纸，再10分钟加烤盘垫底。再烤10分钟。
装饰