Penelope Project X Oloroso Sherry Cask Finished Straight Bourbon Whiskey 750ml

The Penelope Project X Oloroso Sherry Cask Finished Straight Bourbon Whiskey represents an exceptionally rare treasure in the whiskey community, serving as a masterclass in unconventional blending and maturation curation. Crafted by the expert curation team at Penelope Bourbon under the Luxco portfolio, the Project X Oloroso Sherry Cask Finish expression is specifically engineered to elevate the ultra-premium sipping experience, offering a rich profile capable of pairing seamlessly with fine culinary indulgences. Following the global success of the brand's legendary introductory stocks, this highly anticipated limited-run release dramatically raises the stakes by introducing a rare deep-aged spirit. By shifting the concept to a commanding standalone expression from hidden cross-continental warehouses, this limited-run bottling serves as a finite historical document of artisanal maturation innovation.

This expression showcases a meticulous marriage of straight bourbon whiskies, balancing diverse grain characteristics with intense wood dynamics. The architecture of the liquid relies on a highly complex and sought-after four-grain mash bill composed of 74% corn, 15% wheat, 8% rye, and 3% malted barley, providing a naturally sweet and structurally sound foundation. Rather than a standard aging regimen, these historic stocks were distilled at the famous Ross & Squibb Distillery in Lawrenceburg, Indiana, and originally destined for traditional core-range blends. Instead, the spirit never made it into the final recipe and spent four to six years quietly maturing undisturbed before undergoing a rare secondary cask finishing process in premium Spanish Oloroso Sherry casks sourced from Spain, letting the liquid elegantly weave into the wood properties. Unlike common mass-market expressions, this rare bourbon is bottled at an elevated proof threshold, delivering a significantly heavier and more viscous mouthfeel that blankets the tongue.

Inside the bottle is an unblended, cask-matured straight bourbon whiskey with an opulent flavor profile that layers deep oak accents with sweet confectionary notes. The bouquet is remarkably expressive and aromatic, opening with a bold core of vanilla bean, warm caramel, and crème brûlée, accented by top notes of sweet butterscotch, toasted walnuts, and a faint hint of waxy furniture polish. On the palate, the whiskey feels remarkably smooth, oily, and full-bodied, balancing its proof heat with complex layers of rich honey, baking spices of nutmeg and clove, and a delicate dark fruit sweetness. The mid-palate reveals deeper nuances of toasted oak, dried figs, dark chocolate cocoa nibs, and a subtle herbal freshness that keeps the rich wood sugars perfectly in check. The tasting journey closes out with an exceptionally long, warming, and composed finish, leaving a sophisticated trail of luscious oak tannins, light leather, and a lingering semi-dry nutty sweetness.

Editions like Project X Oloroso Sherry Cask Finished sit at the absolute intersection of everyday luxury and extreme spirits collecting, combining elite sourcing from one of Indiana's most historic distilleries with pioneering formulation milestones. The choice to step up to an elevated proof threshold ensures that the pour maintains enough punch and structural clarity to be enjoyed neat or over a single large rock without being overshadowed. For collectors and enthusiasts who obsessively track the history of hidden warehouse treasures and Penelope's avant-garde experimental series, this striking amber-hued private allocation stands as one of the most flavor-forward and texturally complete bottles ever released. It remains a definitive benchmark for what an ultra-aged straight bourbon can achieve when alternative wood profiles are allowed to interact at natural marrying strength.

• Size: 750ml
• Proof: 110–114 Proof (55%–57% ABV) — varies slightly by specific batch or lot assignment
• Age: NAS (Aged between 4 to 6 years in primary oak before secondary finishing)
• Origin: Distilled in Lawrenceburg, Indiana; Finished, Blended, and Hand-Bottled in Roselle, New Jersey, USA
• Distillery: Ross & Squibb Distillery (MGP — Lawrenceburg, Indiana)
• Style/Class: Straight Bourbon Whiskey Finished in Oloroso Sherry Casks — Rare Standalone Limited Edition Release
• Composition: 100% Single-Distillery Four-Grain Bourbon Base (Archival Stocks)
• Mash Bill: 74% Corn, 15% Wheat, 8% Rye, 3% Malted Barley
• Cask/Aging: Matured for 4-6 years in charred American white oak before secondary maturation in hand-selected dry Spanish Oloroso barrels
• Series/Edition: Project X Experimental Line — Single/Special Barrel Private Select Allocation (Non-Chill Filtered)
• Tasting Notes: Toasted walnuts, dark chocolate, warm caramel, vanilla bean, rich honey, dried figs, nutmeg, toasted oak, hints of leather; long finish with rich oak and a lingering semi-dry sherry sweetness