使饼干：在一碗电动搅拌机装有颤抖扣押、奶油和黄油砂糖直至完全顺利，大约3分钟。

Make the cookies: in the bowl of an electric mixer fitted with the paddle attachment, cream butter and granulated sugar until completely smooth, about 3 minutes.

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在一只干净的碗中加入酵母、若干粒砂糖和温水(过多的糖和过热的水会杀死酵母菌)，静置10分钟待其活化。

Dissolve the yeast and pinch of sugar with warm water in a small bowl (note: too much sugar or overheated water would kill yeast), leave it for 10 mins.

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