As the temperatures drop and the days get shorter, one beer style reigns supreme: the Russian Imperial Stout. According to the Brewers Association 2015 Beer Style Guidelines, however, the style does not exist. In fact, nowhere in the 49 pages of the guide do the words “Russian Imperial Stout” appear. The only mentions of imperial stouts are in two categories, British-Style Imperial Stout and American-Style Imperial Stout. Both are defined as being between 7-12% ABV with a final gravity (the beer’s relative density compared to water) of 1.020-1.030.
Despite the Russian Imperial Stout’s lack of official sanction, popular review site BeerAdvocate describes the style as having “low to moderate levels of carbonation with huge roasted, chocolate and burnt malt flavors. Often dry. Suggestions of dark fruit and flavors of higher alcohols are quite evident. Hop character can vary from none, to balanced to aggressive.” On BeerAdvocate, there are 1,407 listed examples of Russian Imperial Stouts; it is a simplification but true to say that the Russian version of the imperial stout borrows from both the American (aggressive flavors of roasted malt and hops) and British (more balanced and subdued roasted malt and hops) styles, and falls somewhere in between the two.
There is also historical evidence for the RIS’s claim as a style. As the story goes, the beer was first brewed in England for export to Russia at the command of Catherine the Great. The style was adapted from a traditional porter by Thrale’s Brewery in London, but was brewed to have a high alcohol content that helped keep the beer from going bad on the long journey from England to Russia. (Lower-ABV beers would freeze during the crossing of the Baltic, effectively ruining the beer.) The elevated alcohol content kept Catherine’s prized beer from freezing and helped it to arrive in Russia as it was intended.
The style has evolved a great deal from its roots and now includes everything from barrel-aged versions to examples brewed with cocoa nibs, cinnamon and coffee — but the high alcohol content is still a defining characteristic. Maybe you aren’t transporting this beer to Russia, but the warming of the alcohol and the bite of the roasted malts come in handy on cold nights by the fire. These are some of the best of the style, made right here in America.
The Beers
Firestone Walker Parabola

ABV: 14% | California