Four Roses Liquor Barn Single Barrel OBSK 750ML

Four Roses Liquor Barn Single Barrel OBSK 750ML is a barrel-strength private selection Kentucky bourbon bottled at 125.1 proof (62.55% ABV) in a 750ml bottle. This 9-year, 3-month-old expression showcases Four Roses' high-rye OBSK recipe — one of the distillery's ten proprietary bourbon formulas — delivering pronounced rye spice and concentrated dark fruit character at cask strength.

Quick Facts: ABV: 62.55% (125.1 proof)  |  Origin: Lawrenceburg, Kentucky, USA  |  Age: 9 Years 3 Months  |  Distillery: Four Roses Distillery

Production & Heritage

Four Roses Distillery, located in Lawrenceburg, Kentucky, is one of the few bourbon producers to employ a system of two distinct mash bills crossed with five proprietary yeast strains, yielding ten unique bourbon recipes. The OBSK recipe uses the high-rye "B" mash bill — 60% corn, 35% rye, and 5% malted barley — fermented with the "K" yeast strain, known for contributing a distinct spicy character. Four Roses ages all of its bourbon in single-story rack warehouses, which maintain only about 8 degrees Fahrenheit of temperature variation from floor to ceiling — far less than the 30-degree swings found in conventional multi-story rickhouses. This controlled environment produces more consistent barrel maturation, and each private selection barrel is hand-chosen for its individual character.

Tasting Notes

Aroma: The nose opens with rich caramel and vanilla bean, followed by layers of baking spice, toasted oak, and light rye heat. Underneath, dried herbs and dark fruit provide depth and complexity.

Taste: The entry is thick and coating, led by honey and warm caramel. Mid-palate, assertive rye spice takes hold alongside cinnamon, clove, and a thread of black cherry. At full proof, structured oak tannins and balanced sweetness compete for attention, with the high rye content keeping the profile angular and lively.

Finish: Long, dry, and warming with lingering spiced oak, hickory, and a touch of tobacco. A subtle vanilla sweetness resurfaces as the heat gradually fades, leaving a spice-driven impression that lingers well beyond the final sip.

How to Drink Four Roses OBSK

At 125.1 proof, this bourbon benefits from a splash of water or a single large ice cube to open up the aromatics and temper the heat — tasting neat first, then gradually diluting, rewards patience. For cocktails, the barrel-strength intensity holds its own in spirit-forward preparations: an Old Fashioned where the rye spice pushes through sweetener and bitters; a Boulevardier where the dark fruit and oak stand up to Campari and sweet vermouth; or a Manhattan where the high-rye profile mirrors the traditional rye backbone that classic recipe demands.

Best For

• Bourbon collectors seeking a specific Four Roses recipe expression at barrel strength
• Tasting alongside other Four Roses recipes (OESV, OBSV, OESK) to explore recipe-to-recipe differences
• Gifting an experienced whiskey enthusiast who appreciates high-rye, cask-strength bourbon
• Building a barrel-proof bourbon flight for a home tasting event

Frequently Asked Questions

What does Four Roses OBSK taste like? Four Roses OBSK delivers a rich, spice-forward bourbon profile anchored by caramel, cinnamon, clove, and black cherry, with assertive rye heat and structured oak tannins from nearly a decade of aging. The high-rye mash bill and K yeast strain give it a drier, more angular character than many single barrel bourbons.

How does Four Roses OBSK compare to Russell's Reserve Single Barrel? Both are Kentucky single barrel bourbons with robust spice and oak, but Four Roses OBSK is bottled at barrel proof (125.1 proof) versus Russell's Reserve Single Barrel at 110 proof, resulting in a more concentrated and intense flavor profile. The OBSK's 35% rye content also makes it noticeably spicier and drier than the Wild Turkey house style, which tends toward richer vanilla and grain sweetness.

Is Four Roses OBSK good for sipping neat? It is an excellent neat sipper for those comfortable with barrel-strength bourbon, though a few drops of water will help unlock additional aromatics and soften the 125.1-proof intensity. Newcomers to cask-strength whiskey may prefer it over ice or with a generous water dilution.

Where is Four Roses OBSK made? Four Roses OBSK is distilled and aged at the Four Roses Distillery in Lawrenceburg, Kentucky, situated along the Salt River in Anderson County. The distillery uses distinctive single-story rack warehouses unique to the Four Roses operation in Kentucky.

What foods pair well with Four Roses OBSK? Smoked brisket or pulled pork, where the bourbon's rye spice complements charred, smoky meat. Dark chocolate with a high cacao percentage mirrors the spirit's bittersweet oak and dried fruit. Sharp aged cheddar provides a savory counterpoint to the caramel sweetness. Pecan pie amplifies the toasted-nut and vanilla notes. Charcuterie with cured meats and whole-grain mustard plays off the spice and hickory character.

What sizes does Four Roses OBSK come in? This private barrel selection is available in the standard 750ml bottle size.

Is Four Roses OBSK worth the price? Four Roses private barrel selections position in the premium tier of single barrel bourbon, offering barrel-proof intensity, a specific recipe identity, and nearly a decade of age — factors that provide strong value compared to many allocated barrel-strength bourbons at higher price points.

Why Four Roses OBSK?

What distinguishes this expression is the specificity of the OBSK recipe itself: out of Four Roses' ten possible bourbon formulas, OBSK marries the highest rye content mash bill (35% rye) with the K yeast strain's spicy signature, producing a style that leans heavily toward structured, peppery complexity rather than soft sweetness. At 9 years and 3 months old and bottled without proof reduction at 125.1 proof, nothing about this bourbon has been smoothed over or blended away — it is a single barrel in the truest sense. The single-story aging warehouses at Four Roses further set this apart, ensuring remarkably even maturation that multi-story rickhouse bourbons cannot replicate. For drinkers who want to taste exactly what one barrel of a specific Four Roses recipe can become, this OBSK delivers that transparency at full intensity.