Rugelach

Directions

1. 1
   Cut butter into flour using 2 knives.
2. 2
   In separate bowl, beat egg yolk and sour cream.
3. 3
   Mix well and then add flour mixture. Once again, mix well.
4. 4
   Divide dough into 3 parts, cover with plastic wrap and refrig. at least 3 hours.
5. 5
   Prepare filling by combining sugar, cinnamon, and walnuts. Preheat oven to 375.
6. 6
   Working with one portion of dough at a time, roll into a circle approximately 1/8 inch thick.
7. 7
   Brush with melted butter and spread 1/3 of the filling mixture on each portion.
8. 8
   Cut each circle into 16 wedges (like a pizza). Roll, starting at large end.
9. 9
   Place on greased cookie sheets.
10. 10
    Bake 15 minutes or until lightly browned.
11. 11
    Cool. Sprinkle with powdered sugar.