Scotch whisky, often simply called Scotch, is malt whisky or grain whisky made in Scotland. Scotch whisky must be made in a manner specified by law. All Scotch whisky was originally made from malted barley.Commercial distilleries began introducing whisky made from wheat and rye in the late 18th century.he first written mention of Scotch whisky is in the Exchequer Rolls of Scotland, 1495. A friar named John Cor was the distiller at Lindores Abbey in the Kingdom of Fife.