Compass Box, much-adored makers of excellent blends, have posed an interesting quandary – “How many components are required to create true complexity in a blended Scotch whisky?” They reckon you only need two components, and here’s their argument: The Double Single, a blended Scotch whisky made with one single malt whisky and one single grain whisky! The single malt in question was from Glen Elgin, while the single grain was from Girvan.