Ingredients
Makes twenty-six 5-inch cookies or 8 1/2 dozen 1 1/4-inch cookies
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
Preparation
