Ingredients:

• 200 g    Unsalted Butter, soft
•   80 g    Confectioners Sugar
•   50 g    Marzipan, soft
•  1 tsp    Vanilla Sugar(5gr)
• 250 g    Flour, sifted

•        1    Egg Yolk
• 1 cup    Turbinado Sugar

Directions:

Mix together the butter, confectioners sugar, marzipan and vanilla sugar.
Add the sifted flour and knead until thoroughly mixed.
Roll into 1½ inch diameter cylinders.
Wrap in plastic wrap and refrigerate for 2 hours.
When the dough is cold brush with the egg yolk and roll in the turbinado sugar.
With a sharp knife slice cylinder into ¼ inch thick pieces.
Place on a cookie sheet covered with parchment paper.
Bake the cookies for 10-15 minutes at 375°F until golden brown.