FOR THE BROWNIES: – 6 ounces (1 cup) bittersweet chocolate (+/- 70%) – 1/2 cup unsalted butter – 1/2 cup granulated sugar – 1/2 cup packed light brown sugar – 2 large egg – 2 teaspoons vanilla extract – 1 cup all-purpose flour – 1/2 teaspoon salt – 1/2 cup semisweet chocolate chip FOR THE GANACHE: – 4 ounces bittersweet chocolate, roughly chopped – 4 tablespoons heavy cream – 2 tablespoons unsalted butter, cut into small cube – chopped toasted pecans, optional