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
Scotch whisky the other, a "whisky – product of Scotland" that complies with the generic EU standard for whisky. According to the Scotch Whisky Association, allowing non-Scotch whisky production in Scotland would make it difficult to protect Scotch whisky as a distinctive product. The majority of grain whisky produced in Scotland goes to make blended Scotch whisky. The average blended whisky is 60%–85% grain whisky. Some higher-quality grain whisky from a single distillery is bottled as single grain whisky. Blended malt whisky—formerly called "vatted malt" or "pure malt" (terms that are now prohibited in the SWR 2009)—is one of the least common