Single malt Scotch Douglas Laing & Co, Signatory, Hart Brothers, Cadenhead's, and Blackadder. Single malt Scotch Single malt Scotch is single malt whisky made in Scotland. To be a single malt scotch the whisky must have been distilled at a single distillery using a pot still distillation process and made from a mash of malted barley. As with any Scotch whisky, a single malt Scotch must be distilled in Scotland and matured in oak casks in Scotland for at least three years and one day. (Most single malts are matured longer.) Until the Scotch Whisky Regulations 2009 (SWR 2009), the word "blended" only
Barrel to produce a whisky branded as "Jameson Caskmates". Cask ale is aged in the barrel (usually steel) for a short time before serving. Extensive barrel aging is required of many sour beers. Vernors ginger ale is marketed as having a "barrel-aged" flavor, and the syrup used to produce the beverage was originally aged in oak barrels when first manufactured in the 19th century. Whether the syrup continues to be aged in oak is unclear. Some of the liquid stored in a barrel is absorbed into the wood. The barrels can be more or less porous, depending on the wood; more