1. Prepare the materials.
2. Cook the egg first and then take out the yolk, then use a sieve to grind the yolk into fine powder.
3. Add powdered sugar and salt to the softened butter at room temperature, and beat with an electric whisk until the color becomes lighter and the volume is slightly enlarged.
4. Add the sieved egg yolk and mix well.
5. Then sift in low flour and cornstarch, and mix well with a silicone spatula.
6. Knead into a soft and hard, smooth dough. Put it in the refrigerator and let it rest for 30 minutes.
7. Take out the refrigerated dough and divide it into 8 grams of evenly-sized small dough.
8. Knead it into a small ball, put it in a non-stick baking pan, and then gently press it flat with your thumb to allow natural cracks to appear on the biscuits.
9. After everything is finished, put it in the pre-prepared oven, middle level, top and bottom heat, 170 degrees, about 18 minutes, until the edges are slightly browned.
10. Crisp and delicious, melts in your mouth, very delicious biscuits.
Tips:1. The dough must not be kneaded too soft, otherwise there will be no beautiful natural cracks on the edge when you press it down with your fingers. 2. The baking time can be adjusted according to your own oven. 3. Seal the finished biscuits after they are allowed to cool.
