How Is Guinness Made?
How Is Guinness Made? Guinness stout is made from water, barley, roast malt extract, hops, and brewer’s yeast. A portion of the barley is roasted to give Guinness its dark colour and characteristic taste. It is pasteurised and filtered. Until the late 1950s, Guinness was still racked into wooden casks. Is Guinness healthier than beer?