2 cups (220 g) wheat flour
1 tsp (5
- Prepare the cookies: Mix the flour, baking powder, ground walnuts, and finely chopped egg yolks.
- Add in butter, sour cream, and sugar, and knead the dough.
- Chill in the refrigerator for 30 minutes.
- 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