Chocolate Chocolate Cookies

In some baked goods, you just need a lot of sugar. Sugar not only provides sweetness; it’s also what gives a cookie its crust and crumb. In this recipe, sugar produces a crackly surface and wonderfully chewy edges. The sweetness of the sugar is offset by dark, bittersweet chocolate and cacao nibs, which are crunchy, roasted cocoa beans that have been separated from their husks and broken into small pieces. They’re somewhat like mildly roasted coffee beans, but with a definite chocola