Shared by Chef Herold Resident Executive Chef at Sitatunga Private Island, Botswana Ingredients ½ cup walnuts, lightly toasted and coarsely chopped 6 ounces semisweet chocolate, chopped ½ cup unsalted butter ½ cup + 2 tablespoons whiskey, or bourbon ¾ cups raisins 1 cup granulated sugar 2 large eggs, at…