What process involves filtering whiskey through maple wood charcoal before aging?

The Lincoln County Process is a specific technique associated with the production of Tennessee whiskey. It involves filtering the spirit through maple wood charcoal before it is aged in barrels. This process is intended to smooth out the whiskey and impart a subtle sweetness, enhancing the overall flavor profile.

The distinctive feature of the Lincoln County Process lies in the use of maple charcoal, which acts as a natural filtration system, removing impurities and certain harsh flavors from the distillate. This results in a whiskey that is generally softer and more palatable. The requirement for this filtration means that not all whiskey is considered Tennessee whiskey, as only those that undergo this process can carry that designation.

This process is a hallmark of brands such as Jack Daniel's, establishing its identity in the whiskey market and differentiating it from other types of whiskey, including bourbon, which does not require this particular step in its production. Understanding this process is essential for appreciating the nuances in the flavor, quality, and classification of whiskey.