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
Malt whisky mash of not less than 51% malted barley grain that is stored for aging in charred new oak containers at less than 62.5% ABV. If such a whisky has been aged for at least two years, contains no added coloring and flavoring, and has not been blended with neutral spirits or other types of whisky, the adjective "straight" can be applied, as in straight malt whisky. A blended whisky that contains at least 51% straight malt whisky may be labelled as blended malt whisky or malt whiskey – a blend. Canadian whisky regulations allow the addition of flavoring agents as