Which of these is NOT a traditional ingredient to make beer?
Answer Grapes
While some breweries include adjuncts to produce different flavors, it only takes four basic ingredients to make beer: water, barley, hops and yeast. Germany even passed a law called the Reinheitsgebot, which stipulates legal beer only uses those four components.
Asked by Don Ayres · Last updated 5 years ago · 44.7K views · SOURCE