11/2 cups plus 4 tablespoons (3 1/2 sticks) unsalted butter, at room temperature, plus extra for greasing the pan 2 cups granulated sugar, plus more for coating the pan 14 ounces bittersweet chocolate ( 60-70% cacao) 3 tablespoons cold water 12 eggs, separated 1 cup unbleached, all-purpose flour, sifted Confectioners sugar for dusting Preheat the […]