1 pound bittersweet chocolate, chopped into small pieces
1 stick unsalted butter (see Cook's Note)
9 large eggs, separated
3/4 cup granulated sugar, plus 1 tablespoon
2 cups heavy cream, cold
Confectioners' sugar, for dusting
Food Network Kitchens tested this recipe after this show was taped and determined that 1 stick butter is the correct amount.