Whisky The Macallan 12 Year Old Sherry Oak Cask. The Macallan 12 Year Old Sherry Oak Cask forms part of our Sherry Oak range which features a series of single malt whiskies matured exclusively in hand-picked sherry seasoned oak casks from Jerez for richness and complexity. A matured character, the 12 Years Old delivers rich wood spice and dried fruits and a natural rich gold colour.