Classic Austrian Kolache with Powdered Sugar

Method

1. In a large bowl, combine flour, sugar, and salt.
2. Add butter and mix until crumbly.
3. Gradually add milk and egg, mixing until a dough forms.
4. Knead on a floured surface for 5 minutes.
5. Let the dough rise in a warm place for 1 hour.
6. Roll out the dough and cut into circles.
7. Place a spoonful of quark mixture in the center of each circle.
8. Fold the dough over and seal the edges.
9. Bake at 375°F (190°C) for 20-25 minutes.
10. Sprinkle with powdered sugar before serving.