Categories: Cookies, German 
      Yield: 10 servings 
  
      1 pk Yeast, Active Dry                   1 c  Sour Cream 
      4 c  Flour, Unbleached, Unsifted         3 lg Egg Yolks 
      1 c  Butter, Softened               
 
----------------------------------FILLING---------------------------------- 
      3 lg Egg Whites                          1 c  Sugar Or To Taste 
      1 c  Nuts, Ground                        1 ts Vanilla 
  
  Mix yeast, flour, butter, sour cream and egg yolks thoroughly until dough 
  is formed.  Cover and let dough rest 1 hour.  For filling beat egg whites 
  until soft peaks form.  Fold in nuts, sugar, and vanilla.  Roll dough 
  1/8-inch thick.  Cut out rectangles about 2 X 3-inches.  Spread with 1 t of 
  filling.  Roll up jelly roll fashion.  Place on greased baking sheets and 
  curve to form crecents.  Bake at 350 degrees F. for 15 to 20 minutes, or 
  until lightly browned.  Cool on wire racks and store in airtight tins. 
  Makes 4 to 5 dozen crecents.