Bushmills Single Malt Whiskey 16 year old is aged for 16 years in a combination of Oloroso Sherry and Bourbon-seasoned casks, then matured for several months in port wine barrels. The unique maturation process gives this single malt its distinct notes of juicy fruits, nuts and spice, as well as a hint of ruby redness. It’s best enjoyed neat or over ice. Aged for a minimum of 16 years in a combination of Oloroso Sherry and Bourbon seasoned casks, then finished for several months in Port Wine barrels, BUSHMILLS 16 Year Old is a unique maturation which imparts distinct notes of juicy fruits, nuts and spice, as well as a hint of ruby redness.