About Wait…what?: The quarter cask (30 gallons) used in this maturation is much smaller than the typically used standard American barrel (53 gallons), imparting more oak influence on the rye here. Red berries and old-fashioned root beer resound in this powerful Tasting Panel Note: We looked at each other as though we had been smelling the same magic potion the druid Getafix brewed to give Asterix and his fellow Gauls superhuman strength.