Cream together the butter, sugar, egg and rubbed lemon peel. Sift the flour in the butter mixture. Blend the whipped cream and mix well.

• 把牛油，砂糖，鸡蛋和柠檬皮屑打均匀松发后，把面粉筛入后混合，然后把打发的鲜奶油拌入。