Ingredients For the Cake Nonstick vegetable cooking spray 4 ounces bittersweet chocolate 1 cup red wine, such as cabernet sauvignon 1/3 cup whole milk 1 3/4 cups granulated sugar 2/3 cup (10 2/3 tablespoons) unsalted butter, at room temperature 3 large eggs, slightly beaten 2 1/4 cups all-purpose flour 1 box (.3 ounce) sugar-free black…