The best Hungarian cookies recipe (kiffles)

Instructions:

1. Make the dough:
   Mix flour, butter, sour cream, and salt until a soft dough forms.
2. Chill:
   Wrap and refrigerate for at least 1 hour.
3. Roll and cut:
   Roll out dough thin and cut into small triangles or squares.
4. Fill:
   Place a small amount of filling on each piece.
5. Shape:
   Roll into crescents (kiffles/kifli shape).
6. Bake:
   Bake at 180°C for 15–20 minutes until lightly golden.
7. Finish:
   Dust generously with powdered sugar while still warm.