Hillrock Solera Aged Bourbon PX Finish introduces an age-old technique to the world of American whiskey, by embracing the intricate Solera aging method traditionally reserved for crafting exceptional Sherries, Ports, Madeiras, and Cognacs. This award-winning bourbon is meticulously finished in 20-year-old PX (Pedro Ximénez) Sherry casks, infusing the whiskey with unique layers of floral notes, fig, roasted walnuts, candied fruit, and spicy rye. The Solera aging system involves a pyramid of barrels, with a portion of whiskey periodically transferred from the lower barrels, while new whiskey is added to the top. This process ensures that no barrel is ever completely emptied, allowing the older and younger whiskies to blend over time, thereby providing an extraordinary depth and complexity that is truly unparalleled.