Shortbread cookies on proteins

Step-by-step cooking

1. Step 1:

   

   Prepare all the ingredients.

2. Step 2:

   

   Beat butter with powdered sugar for a few minutes until fluffy, creamy mass and complete dissolution of powdered sugar.

3. Step 3:

   

   Rub the egg whites through a sieve and add to the beaten butter, mix thoroughly.

4. Step 4:

   

   Sift the flour and pour it into the butter-egg mass in several steps, mix thoroughly.

5. Step 5:

   

   Roll out the dough between two sheets of parchment into a layer 5 mm thick. Remove the dough layer on a hard board in the refrigerator for 2 hours.

7. Step 6:

   

   Preheat the oven to 180 °C. Get the cooled dough, cut out cookies with molds. In half of the blanks, make a hole with a smaller mold. Bake in the oven for 10-15 minutes or until lightly golden (be guided by your oven, because these cookies are very easy to burn).

8. Step 7:

   

   Cool the finished cookies.

9. Step 8:

   

   The part of the cookie that has holes, sprinkle with powdered sugar. Lubricate the other part (without holes) with jam. Gently connect the two halves (carefully, the cookies are tender, fragile).

10. Step 9:

    

    Bon appetit!