Virtual Whisky Tasting Experience at Home: Independent Bottlers Masterclass
Welcome aboard! At Once Upon a Whisky, we connect people, cultures, and whiskies from a modern perspective. Whether you have purchased one of our physical tasting kits or are looking to enjoy an educational Scotch whisky masterclass at home, you are in the right place.
In this virtual guided tasting, we explore the fascinating world of Independent Bottlers and how different maturation techniques (Ex-Bourbon, Ex-Sherry, Ex-Port, Ex-French Red Wine and Ex-Italian Red Wine barriques) shape the flavour profile of single malt Scotch whisky.
Watch the Masterclass (Guided Tasting Video)
Pour yourself a dram and join us on a journey through 5 exceptional whiskies from top independent bottlers.
👉 Video: Scotch Whisky Masterclass – Independent Bottlers & Cask Maturation🎞️
👉 Haz clic aquà para ver el video en español 🎞️
Inside the Box: The 5 Independent Bottler Drams
Independent bottlers play a vital role in the world of Scotch whisky. While distilleries typically release their own official bottlings, independent bottlers select individual casks and release whiskies that showcase unique characteristics often unavailable in standard distillery ranges.
This tasting collection explores five exceptional single-cask whiskies from four highly regarded independent bottlers, each demonstrating how different cask types can shape and transform a spirit’s character.
Douglas Laing: Mortlach 12 Year Old – Old Particular (American Oak)
Founded in 1948, Douglas Laing has built a reputation as one of Scotland’s most respected blenders, distillers and bottlers. Their renowned Old Particular range focuses exclusively on single cask releases, bottled without chill filtration or artificial colouring to preserve the whisky’s natural character.
Distillery Background
Known as “The Beast of Dufftown,” Mortlach is one of Speyside’s most distinctive distilleries. Its rich, meaty spirit character has long been prized by blenders and whisky enthusiasts alike.
Maturation
This whisky was distilled in November 2006, matured for 12 years in a refill hogshead (American Oak), and bottled in February 2019.
Unlike first-fill casks, refill casks contribute a gentler wood influence, allowing the distillery character to remain front and centre. This style of maturation often highlights cereal notes, orchard fruits, and the spirit’s natural richness.
Cask: Refill Hogshead (DL13085)
ABV: 48.4%
Outturn: 321 bottles
Tasting Notes
Nose: Warm popcorn, buttery sweetness and fresh green apple peel.
Palate: Rich malted barley, strawberry tart and soft vanilla oak.
Finish: Long and fresh with green fruits, gentle spice, pastry and oat notes.
This bottling is an excellent example of how a refill cask can showcase a distillery’s underlying character. Rather than dominating the whisky with oak, the cask allows Mortlach’s naturally rich and fruity profile to shine.
Learn more about Douglas Laing, Old Particular range here.
Brave New Spirits: Craigellachie 9 Year Old, Finished in a Château Larose-Trintaudon Red Wine Barrique (France)
Based in Glasgow, Brave New Spirits has quickly established itself as one of Scotland’s most exciting independent bottlers. Their Cask Masters series explores the influence of carefully selected casks on individual distillery styles.
Distillery Background
Craigellachie is famous for producing a robust, muscular Speyside spirit with a distinctive character that stands apart from many of its regional neighbours.
Maturation
After 9 years of maturation, this whisky underwent a finishing period in a Bordeaux red wine barrique from Château Larose-Trintaudon.
Wine barriques can introduce additional layers of red fruit, subtle tannins, and greater textural complexity while complementing the distillery’s underlying character.
Distilled: 2 July 2015
Bottled: 3 December 2024
ABV: 48.1%
Outturn: 330 bottles
Expected Character
The red wine influence is likely to contribute notes of ripe berries, dark fruits, gentle spice and drying tannins, adding complexity to Craigellachie’s naturally robust spirit.
Brave New Spirits: Teaninich 9 Year Old, Finished in a First-Fill Vintage Port Barrique (Portugal)
This Highland single malt demonstrates the powerful influence that fortified wine casks can have on whisky.
Maturation
After nine years of ageing, the whisky was transferred into a first-fill vintage Port barrique for a finishing period, allowing it to absorb the rich fruit and spice characteristics associated with Port wine.
Distilled: 12 January 2016
Bottled: 22 May 2025
ABV: 49.9%
Outturn: 307 bottles
Tasting Notes
Nose & Palate: Tangy red berries, rich fruit compote and dark chocolate.
Finish: Lingering chilli warmth and clove spice.
The Influence of Port Casks
Port casks are prized for their ability to introduce rich berry fruit, chocolate notes, and warming spice. Compared with red wine casks, Port maturation often delivers greater sweetness and depth while maintaining vibrant fruit character.
About Brave New Spirits
In 2026, Brave New Spirits was named Independent Bottler of the Year at the World Whiskies Awards, further cementing its reputation for innovative cask selection and exceptional single cask releases.
Learn more about Brave New Spirits, Cask Masters range here.
Glaschu Spirits Co: Ardnamurchan 5 Year Old (Peated), Fully Matured in a First-Fill Oloroso Sherry Hogshead (Spain)
Glaschu Spirits Co. has earned a strong reputation for sourcing unique single casks and small-batch releases from Scotland’s most exciting distilleries.
Distillery Background
Founded by Adelphi in 2014, Ardnamurchan Distillery sits on Scotland’s remote west coast and has become renowned for its commitment to sustainability and its characterful coastal single malts.
Independent bottlings of Ardnamurchan remain relatively rare, making releases such as this particularly sought after.
Maturation
This whisky spent its entire five-year maturation period in a first-fill Oloroso sherry hogshead.
First-fill Oloroso casks are among the most influential casks used in Scotch whisky maturation, contributing deep fruit, rich sweetness and significant complexity.
ABV: 55.0%
Outturn: 416 bottles
Tasting Notes
Nose: Roasted coffee beans, tart cherry juice and worn leather.
Palate: Spiced fruitcake, molasses, dark chocolate, Medjool dates and blood orange.
Finish: Long, warming and smoky with lingering spiced embers.
The Influence of Oloroso Sherry
Oloroso casks are renowned for producing rich, dark flavour profiles featuring dried fruits, chocolate, coffee, spice and leather. When paired with peated spirit, the result can be a remarkably complex whisky where smoke and sherry influence are fully integrated.
This bottling showcases that relationship beautifully, delivering a whisky of surprising depth despite its relatively young age.
Learn more about Glaschu Spirits here.
Fragrant Drops: Secret Fife 6 Year Old (Peated), Fully Matured in a Fresh Bolgheri Super Tuscan Barrique (Italy)
Fragrant Drops, operated by the Keeble Cask Company, specialises in distinctive single cask releases that celebrate unusual cask combinations and characterful spirits.
Distillery Background
While the distillery remains undisclosed, this peated spirit originates in Fife and represents a fascinating combination of smoke and red-wine maturation.
Full Maturation Explained
Unlike many whiskies that are simply finished in wine casks, this whisky spent its entire six-year maturation period in a fresh Bolgheri Super Tuscan red wine barrique.
This extended interaction allows the wine cask’s influence to fully integrate into the spirit, creating deeper, more complex flavours.
Distilled: 28 November 2018
Bottled: 21 May 2025
Cask: 515
ABV: 57.6%
Outturn: 271 bottles
Tasting Notes
Nose: Peat smoke, roasted malt, hedgerow fruits, wine gums, marmalade and leathery oak.
Palate: Charcoal smoke, grilled pineapple, menthol, stewed red fruits and earthy spice.
Finish: Smoked tea, treacle and lingering cherry cola.
The Influence of Super Tuscan Wine Casks
Bolgheri’s famous Super Tuscan wines are known for their intensity and structure. When used for whisky maturation, these casks often contribute rich red-fruit flavours, wine-gum sweetness, earthy tannins, and distinctive cherry-cola notes.
The result is a whisky where smoky peat and vibrant wine influence coexist in remarkable balance.
Learn more about Fragant Drops here.
How the different casks influence the flavour of whisky
One of the most fascinating aspects of this tasting collection is the opportunity to compare how different cask types influence whisky:
- Refill Hogshead (American): allows distillery character to shine through with subtle oak influence.
- Red Wine Barrique (French): introduces red fruit notes, tannins, and added complexity.
- Port Barrique (Portugal): contributes berry fruits, chocolate and warming spice.
- First-Fill Oloroso Sherry Hogshead (Spain): creates deep layers of dried fruit, chocolate, coffee and spice.
- Super Tuscan Barrique (Italy): delivers cherry notes, earthy tannins and rich fruit character.
Together, these five whiskies offer a fascinating journey through the art of independent bottling and the profound impact that wood can have on the final character of a Scotch whisky.
We hope you enjoy the journey.
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