Mason’s Root Beer blends sassafras, wintergreen and a hint of vanilla flavoring to give it that old-style keg flavor that’s made it a mid-western favorite since 1947. Though some believe this spicy and creamy classic has ties to a recipe created by a certain secret organization, the truth is that it’s named for Mason & Mason, Inc., who first manufactured it in Chicago, IL. Mason’s Root Beer has long been a regional delight, but now the secret of its great taste is ready to be discovered – by you!