Jack Daniels Tennessee Whiskey

"Sour Mash" is not the designation of a special type of whiskey. Instead, the name refers to the similarities between making whiskey and making sourdough bread. In both processes, a portion of the previous batch is used to start the next batch to promote consistency. Every Bourbon and Tennessee Whiskey is made using the sour mash process. Charcoal mellowing refers to a process used to make Tennessee whiskey. Angels' Share as the whiskey ages, the whiskey barrels "breathe." Because of this , between eight to ten percent of the alcohol volume will be lost to evaporation in the first year. Evaporation continues over the years at four to five percent per barrel. A good whiskey will lose approximately thirty percent of its original volume by the time it is bottled.