* Ingredients:

°1 pound unsalted butter
°1 3/4 cup granulated sugar
°2 1/4 cups packed light brown sugar
°4 large eggs
°3 cups plus 2 tablespoons pastry flour
°3 cups bread flour
°1 tablespoon salt
°2 teaspoons baking powder
°2 teaspoons of baking soda
°1 tsp pure vanilla
°2 pound bitter sweet chocolate, chop

* Methods :

- Preheat the oven to 350 degrees. Line baking sheets with parchment paper or non-stick baking mats; Sit aside.
In the bowl of an electric mixer fitted with the paddle attachment, place the butter and sugars together in a bowl.
Add eggs one by one and mix well after each addition.

Reduce the speed and add the flour, baking powder, baking soda, vanilla and chocolate. Mix until well blended.
Using a 4-ounce ladle for larger cookies or a 1-ounce spoon for smaller cookies, place cookie dough on a prepared baking sheet, about 2 inches apart.

Baking to light browned, but still soft, for 20 min for larger cookies & about 15 min for smaller cookie 
Cool slightly on baking sheets before transferring to a wire rack to cool completely.

Enjoy !