Irish Single Pot Still Whiskey is an in Irish Whiskey made at a single distillery from a mixed mash of malted barley and unmalted barley in a single pot still. It is made with a minimum of 30% malted and 30% unmalted barley, and it is the use of the unmalted barley as well as the production resulting from a single distillery in a single pot that helps give it a distinct spiciness knows as ‘pot still character’; Irish Single Pot Still is also the only style of whiskey exclusively made in Ireland.