Butter Crescents

This is a czechoslovakian recipe from recipegoldmine.com posted for zwt4

Cut butter into flour.

Combine egg yolk with sour cream and add to flour mixture.

Form into a ball and wrap in wax paper.

Chill overnight.

Divide dough into 4 portions.

Roll each into a 12 inch circle.

Spread fruit filling evenly over entire circle.

Cut into 16 wedges.

Roll from wide end to form crescents.

Bake on ungreased cookie sheet at 375 degrees f for 20 minutes or until delicately browned.

Dust with confectioners sugar when cool.

butter, flour, egg yolk, sour cream, fruit filling', confectioners' sugar"]"