Guinness Cola Recipe Posted on September 17, 2019September 17, 2007 by admin Ingredients 6 oz Guinness stout6 oz Coca-Cola Pour half a bottle of Guinness into a beer mug, add an equal amount of Coca-cola, and serve. Spread the love Related posts: Hard Rootbeer Recipe Marvin The Martian Recipe Lunchpail Recipe Cuban Immigrant Recipe