• Line 3, 8" (or 4, 6") pans with parchment paper and grease the sides.
• In a bowl sift the flour, salt and baking soda. Mix to combine and set a side.
• Place the sugars in a bowl of a standing mixer and pour in the melted butter.

  Mix on low with the paddle attachment.
• Add the egg, egg yolk, milk and vanilla. 
• Sprinkle in the flour mixture and the chocolate chips and stir just to combine.
• Divide the cookie dough into the prepared pans. Chill for few hours or over night.
• When ready to bake, place pans in the middle rack and bake for 25 minutes in 340F.
• Remove from the oven and allow to cool completely before removing from pans. 

To Make the drizzle chcocolate

• Place the chocolate chips in a microwave prof bowl pour the heavy cream and heat in the microwave for 45 seconds.
• Stir until the chocolate had completely melted.

To Assemble

• Place a layer of cookie on a serving plate or in an 8" ring, spread 1 cup of your choice of butter cream. Repeat with the remaining cookie layers.
• Using a spoon, drizzle the edge of the top layer with the melted chocolate. Decorate with sprinkles.