This video shows you how to make an ultra rich chocolate cake. The secret to this sumptuous layer cake is Irish stout beer—it flavors both the cake and the rich chocolate icing. Whatever you do, don’t wait until St. Patrick’s Day to make it! Watch the video, then get ScandoGirl’s 5-star recipe for Diana's Guinness® Chocolate Cake with Guinness Chocolate Icing. To intensify the chocolate flavor, be sure to use a chocolate bar with 74 percent cacao. Enjoy! _[See more St.