Robuta

https://www.westword.com/food-drink/does-the-wynkoops-rocky-mountain-oyster-stout-have-enough-balls-to-win-at-gabf-5756345/
Malt, water, hops, yeast...and bull testicles. That's the recipe for the ballsiest beer that Denver's Wynkoop Brewing Company has made in its 24-year history,...
rocky mountain oysterwynkoopstoutenough