Vanilla and chocolate cookies-zebra cookies!!

        Ingredients:

• 2 cups app flour
• 1 1/4 cups confectioners sugar
• 1/4 cup unsweetened cocoa powder
• 1 teaspoon baking powder
• 3 egg yolks
• 3/4 cup butter
• 2 teaspoons vanilla extract
• 
  
• 
  
• Method:

1. In a medium bowl, stir together the flour, confectioners sugar and baking powder. Cut in the butter. Stir in the egg yolks and vanilla until dough forms. Divide dough into halves. Knead the cocoa/chocolate syrup into one half.
2. Roll out each half of the dough into almost same sized rectangle. Slice each rectangle lengthwise into 1 inch thin strips. Stack alternate strips on each other till 4 layers form.Repeat with remaining strips. Wrap in plastic and refrigerate for at least an hour.
3. Preheat oven to 350 degrees F . Grease cookie sheets.
4. Unwrap dough and slice into 1/4 inch slices. Place slices 1 inch apart onto the prepared cookie sheets.
5. Bake for 8 to 10 minutes in the preheated oven, until firm. Remove from baking sheets to cool on wire racks.
6. Enjoy with hot chocolate sause or as is...preserve in airtight container.