Ingredients:

• 2 1/2 cups all purpose flour.
  
• 1 tesapoon baking powder
  
• 1 pinch of salt
  
• 1 cup of butter, at room temperature
  
• 1 cup granulated sugar
  
• 3 large egg yolks
  
• 1 1/2 teaspoons vanilla extract
  
• 3 egg whites
  
• Granulated sugar for sprinkling
  

Directions:
Combine the flower, baking powder and salt.
In a large bowl, cream the butter and sugar, beat in the egg yolks one at a time. Beat in the vanilla extract. Gradually blend in the dry ingredients. Cover and chill for one hour.
Preheat oven to 375 degrees. Lightly grease 2 baking sheets.
On a floured surface, roll out the dough to a thickness of 1/4 inch, using a two inch cookie cutter, cut out cookies and place one inch apart onto the prepared baking sheets.
with a small brush or using your fingers, draw a thin layer of egg white on top of each cookie.
Bake for 10-12 minutes, until lightly coloured. Sprinkle granulated sugar over them while they are hot and transfer to wire racks to cool.

Buen Provecho!

Tips:
Go wild, yes go wild with the ingredients, also, you can make them any size you want, you can make gigantic cookies,or little itty bitty small ones.