Ingredients:

Butter, powdered sugar, egg yolks, cornstarch, salt

Methods:

1. soften the butter at room temperature, add the powdered sugar and salt, mix well with a whisk, and add a few drops of lemon juice

2. beat the egg yolks, add them in small quantities to the butter each time, and then add the next one after the mixing is well blended so that the oil and water do not separate

3. mix low-fat flour and cornstarch and sift it in. The original pattern on the pressure once again

7. In the cookie surface of a thin layer of egg yolk liquid brush (need to use a square other than the egg yolk liquid, there is no can brush)

8. Oven 170 degrees, the middle layer of upper and lower heat, 18 minutes or so, bake until the cookies slightly color can be

9. Out of the oven to cool, very fluffy

Tips:

Some people Some people think that egg yolks have an eggy odor, so add a few drops of lemon juice to solve the fishy