What type of whiskey must be produced in Tennessee to legally be called Tennessee whiskey?

To be legally classified as Tennessee whiskey, the spirit must be made from a grain mash that contains no less than 51% corn. This requirement aligns with the standards set forth for bourbon, as Tennessee whiskey fulfills the same criteria but also includes a specific production process unique to Tennessee.

In addition to the corn content, Tennessee whiskey must also undergo the Lincoln County Process, which involves filtering the spirit through charcoal before aging, imparting distinctive smoothness and flavor profiles. This combination of ingredients and production methods is what allows it to be designated as Tennessee whiskey, differentiating it from other whiskies.

Thus, the definition and classification hinge on the predominant grain used, which in this case is corn, making the selection of at least 51% corn essential for the legal designation of Tennessee whiskey.