How to make shortbread cookies

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  1.Weigh all ingredients, soften butter in advance, flour, sugar, butter, egg white

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  2. Beat butter until fluffy

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  3. Whipped butter Add sugar in two batches, stir evenly for the first time and then add sugar for the second time (this step must be stirred evenly)

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  4.Add flour twice to the mixed butter and white sugar in the same way, and mix evenly

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  5.In the last step, add the egg whites in three batches and mix well (I forgot to take a photo of this step, it is the same as the sugar and flour steps).Put it into a piping bag and heat it in the oven at 140 degrees for 5 minutes

• 6. Bake in the middle layer of the oven at 140 degrees for 20 minutes
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  7.These ingredients are enough to bake two plates