Secret Chocolate Chip Cookies Recipe

Ingredients

• 1 pound unsalted butter
• 1 3/4 cups 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 baking soda
• 1 tablespoon pure vanilla extract
• 2 pounds bittersweet chocolate, coarsely chopped