Old Line Double Oak Series Madeira Cask Single Malt Whiskey

Overview
Old Line Double Oak Series Madeira Cask Single Malt Whiskey represents a craft expression from Old Line Spirits, where a base American single malt aged in new white oak receives additional maturation in Madeira casks. This approach in the Double Oak Series explores how fortified wine finishes elevate the spirit's complexity.

Specs at a glance

Good to know
Old Line Spirits, based in Baltimore, Maryland, traces its roots to operations acquired from Golden Distilling, with distilling starting in 2016 at Middle West Spirits in Columbus, Ohio, before opening their own facility in 2017. Mash for this whiskey is distilled at Middle West Spirits, then aged and bottled at Old Line. The Double Oak Series emphasizes double oak maturation, pairing new white oak with finishes like Madeira to build layered profiles. Barrels enter at 60% ABV.

Tasting notes

• Nose: Earthy wood, chocolate from deep roast malt, and buttery oak notes form the base, integrated with Madeira's characteristic dried fruit and subtle oxidative sweetness.
• Palate: Bold caramel and brown sugar sweetness, refined spice, and fruit harmony emerge, echoing the series' successful wine cask layering on malted barley richness.
• Finish: Pleasant medium length with lingering wood and fruit echoes, enhanced by the double oak process.

Notable details

• Production: Distilled from 100% malted barley mash; aged 3.5 years in new white oak before cask finish; bottled at 50% ABV.
• Lineage: Crafted by Old Line Spirits, continuing innovative American single malt tradition from Middle West Spirits collaboration.
• Availability: MSRP around $65 for 750ml.

"The Double Oak Series involves initial new white oak aging followed by fortified wine cask finishes." – The Whiskey Wash

Closing
A thoughtful craft single malt for those appreciating nuanced wine cask influences on American barley spirit.

Sources

[1] Thewhiskeywash – "Old Line American Single Malt Whiskey Double Oak Series Port Cask Review"

[2] Thewhiskeywash – "Whiskey Reviews: Old Line American Single Malt Whiskey Double Oak Series Port Cask"

[3] Drinkhacker – "Review: Old Line Spirits Single Malt – Port Cask and Madeira Cask"

[4] Drinkhacker – "Review: Old Line Spirits Single Malt Sherry Cask"

[5] Whiskeyinmyweddingring – "Old Line Spirits American Single Malt Whiskey Sauternes Cask Finish Review"