The oldest form of beer, ale is brewed with top-fermenting yeast and fermented at warm temperatures. It comes in wide variety of colours and strengths.
Famous styles includes include abbey, alt, and brown beer as well as lambic, porter and stout.
The flowers from the female hop vine act as a natural preservative and add aroma and flavour. Beer made with bottom-fermenting yeast and fermented at cold temperatures. Lager was introduced to North America by German settlers in the 1840s. Famous lager styles include bock, Pilsner and Vienna. Processed cereal grain, usually barley, but sometimes wheat and rarely rye, is one of the main ingredients in beer.