Barrel Like with other spirits, longer aging results in a more pronounced flavor. Traditional balsamic vinegar is aged in a series of wooden barrels. Since its invention in 1868, the pepper mash used to make Tabasco sauce is aged for three years in previously used oak whisky barrels. Beers are sometimes aged in barrels which were previously used for maturing wines or spirits. This is most common in darker beers such as stout, which is sometimes aged in oak barrels identical to those used for whisky. Whisky distiller Jameson notably purchases barrels used by Franciscan Well brewery for their Shandon Stout
Laphroaig distillery distillery identifies Charles by his title of Duke of Rothesay, as he is recognised in Scotland. The 15-year-old was reportedly the prince's favourite Scotch whisky. Laphroaig calls itself "the most richly flavoured of all Scotch whiskies", and is most frequently aged to 10 years, although the 15-year-old variety is common (the 27-, 30- and 40-year-olds are rare and expensive; the 18-year-old was discontinued in late 2015). The whisky has a peaty/smoky flavour. The "Laphroaig Quarter Cask" was introduced in 2004. This expression is aged in smaller casks and is not chill filtered. Due to the smaller barrels used, the oak