Wood, Chemistry, and Character: The Science Behind Cask Finishing in American Whiskey
The final chapter of any great American whiskey is written not in the still, but in the wood. A growing cadre of master distillers is exploiting the chemistry of unconventional casks — from Oloroso sherry butts to Bordeaux wine barrels — to engineer flavor profiles of remarkable complexity. Understanding the science behind these decisions is essential for any collector seeking to evaluate why certain finished expressions command prices that rival fine art.