As an expert sommelier and brewer, I can confidently say that Jack Daniel's Gentleman Jack is not technically considered a bourbon. However, it does meet many of the criteria required to be classified as a bourbon.
The Lincoln County Process, which Jack Daniel's Tennessee Whiskey undergoes, is a unique step that sets it apart from traditional bourbons. During this process, the whiskey is filtered through charcoal made from sugar maple trees before being aged in oak barrels. This filtration process, also known as charcoal mellowing, imparts a distinct smoothness and mellowness to the spirit.
To be labeled as bourbon, a whiskey must meet certain legal requirements set by the United States government. These requirements include being produced in the United States, made from a grain mixture that is at least 51% corn, distilled to no more than 160 proof, aged in new charred oak barrels, and bottled at a minimum of 80 proof.
While Jack Daniel's Tennessee Whiskey does meet the requirement of being produced in the United States and aged in new charred oak barrels, it does not meet the minimum corn content requirement. Instead, it is made from a mixture of corn, rye, and malted barley. Therefore, it cannot be officially labeled as bourbon.
However, it is important to note that the distinction between bourbon and Tennessee whiskey is primarily a legal one, and the taste and quality of Gentleman Jack are highly regarded by whiskey enthusiasts. The charcoal mellowing process used in the production of Gentleman Jack contributes to its smooth and balanced flavor profile.
In my personal experience, I have found Gentleman Jack to have a rich and complex taste, with notes of caramel, vanilla, oak, and a hint of spice. It is exceptionally smooth on the palate, making it a popular choice among whiskey connoisseurs.
While Jack Daniel's Gentleman Jack does not meet the strict legal definition of bourbon, it shares many similarities and is highly regarded for its quality and flavor. Whether you consider it a bourbon or a Tennessee whiskey, it is a fantastic choice for those who appreciate a smooth and flavorful whiskey.