Walnut Crescent Cookies

Directions

1. 1
   In the food processor pulse the butter, sugar and egg white, add flour and walnut (mixed together).
2. 2
   Mix only until combined, wrap and place in refrigerator for half an hour.
3. 3
   Roll small pieces of dough by hand at the desktop, gently curve ends in the form of a crescent.
4. 4
   Place cookies on the baking sheet lined with parchment paper and bake at 325 F for 12-15 minutes.
5. 5
   Leave cookies for 10-15 minutes to cool, then roll them in a mixture of superfine sugar or icing sugar and vanilla sugar.