The cookie.

WHAT YOU NEED

Ingredients

120 grams of butter
130 grams of low-fat flour
50 grams of flour
1 gram of salt
One egg yolk

How TO MADE The cookie.

Steps 1 to 4

1. The butter is softened at room temperature and stirred until smooth.

2. Add salt and sugar powder twice and stir evenly.

3. Add the egg yolk.

4. The flour is sifted twice and stirred evenly.

Steps 5 to 8

5. The butter softens well, and the flour quickly blends with the butter.

6. Preheat the oven in advance.

7. Put in the oven 150 degrees, 30 minutes.

8.