Shortbread cookies with cream

Cookies

• 2 cups (220 g) wheat flour
• 1 tsp (5

1. Prepare the cookies: Mix the flour, baking powder, ground walnuts, and finely chopped egg yolks.
2. Add in butter, sour cream, and sugar, and knead the dough.
3. Chill in the refrigerator for 30 minutes.
4. Take out the dough and roll it out with a rolling pin until the sheet of dough is about a quarter-inch (5 mm) thick. Cut out shapes with a cookie cu