Single malt whisky Single malt whisky Single malt whisky is malt whisky from a single distillery, that is, whisky distilled from a fermented mash made with malted barley, as distinguished from unmalted grain. Single malts are typically associated with single malt Scotch, though they are also produced in various other countries. Under Scotch Whisky Regulations, a "Single Malt Scotch Whisky" must be made exclusively from malted barley (although the addition of E150A caramel colouring is allowed), must be distilled using pot stills at a single distillery, and must be aged for at least three years in oak casks of a capacity not exceeding
Scotch whisky where, in October 2017, malt whisky production restarted for the first time in 522 years. Many Scotch whisky drinkers refer to a unit for drinking as a dram. As of 23 November 2009, the Scotch Whisky Regulations 2009 (SWR) define and regulate the production, labelling, packaging as well as the advertising of Scotch whisky in the United Kingdom. They replace previous regulations that focused solely on production. International trade agreements have the effect of making some provisions of the SWR apply in various other countries as well as in the UK. The SWR define "Scotch whisky" as whisky that is: