Blackberry Old Fashioned: A Summer Recipe with Bourbon

The Blackberry Old Fashioned is the high-summer fruit variation — peak July-and-August blackberries muddled into the build, bourbon's vanilla wrapping around the dark-berry character, lemon peel pivoting the citrus to brighten the whole thing. Blackberry has more structural depth than strawberry or peach (more tannin, more dark-fruit complexity), which means the cocktail holds its character better through dilution. This is the summer Old Fashioned variation that drinks like an evening cocktail rather than a sweet brunch pour.

This is the recipe and the technique. For the broader sub-hub, see our Old Fashioned Variations guide.

The Blackberry Old Fashioned Recipe

Optional fine-strain: blackberries have small seeds. If you want a cleaner cocktail, fine-strain through a tea strainer over a fresh ice rock. Most drinkers keep the seeds — they don't bother the drinking experience and the visual of dark berry pulp in the glass is part of the charm.

Blackberry Selection

Like strawberry, blackberry quality varies dramatically by season:

• Peak local blackberries (July–August): Deep purple-black, plump, jammy, intensely fragrant when warm. The cocktail's foundation.
• Quality grocery-store blackberries (May–September): Acceptable. Choose berries that look almost black (not red-tinged) — red means under-ripe.
• Off-season blackberries (October–April): Disappointing. Often watery and tart without depth. Either skip the cocktail or add 1 tsp blackberry preserves to compensate.
• Frozen blackberries: Surprisingly good for cocktails. Thaw fully, drain excess water, then muddle. Frozen actually preserves the dark-fruit aromatics better than off-season fresh.

The Wild Blackberry Bonus

If you have access to wild blackberries (foraged from a hedgerow or trail), they're dramatically better than commercial varieties — more aromatic, more complex, less uniform sweetness. The cocktail made with wild blackberries is in a different class. Worth the foraging trip in late July.

Why Bourbon, Not Rye

Bourbon and blackberry are a canonical American pairing — blackberry-bourbon barbecue glaze, blackberry bourbon smash, blackberry-bourbon jam. Bourbon's vanilla and caramel naturally complement the dark-fruit character. Rye works but produces a more austere, drier cocktail; the pepper fights the blackberry's natural tartness instead of complementing it.

If you only have rye, use a softer profile (Sazerac or Russell's Reserve 6-Year) and add an extra dash of Angostura to bridge the rye and the berry.

Best Bourbon Picks

Bourbon	~Price	Notes
Buffalo Trace	$25	Clean vanilla; lets blackberry lead
Maker's Mark	$30	Wheated softness; jam-like with blackberry
Knob Creek 9-Year	$40	Bigger oak; dessert-leaning blackberry build
Eagle Rare 10	$50	Premium; cocoa notes complement dark berry

Avoid high-rye bourbons (Bulleit, Four Roses Single Barrel) — the pepper fights the blackberry. For more bourbon picks, see Best Bourbon for Old Fashioned.

Variations

Blackberry-Sage Old Fashioned

Add 2 fresh sage leaves to the muddle. Sage and blackberry produce a savory-aromatic cocktail with serious depth — drinks like a Mediterranean-summer evening.

Blackberry-Bay Old Fashioned

Add 1 fresh bay leaf to the muddle (use fresh, not dried — dried is too aggressive). Bay leaf brings a soft eucalyptus-pine note that complements blackberry beautifully.

Smoked Blackberry Old Fashioned

Build standard, then briefly smoke the glass with cherrywood. Smoke + blackberry + bourbon = serious cocktail. Use the Viski Smoked Cocktail Kit.

Blackberry-Lavender Old Fashioned

Add ½ teaspoon dried culinary lavender to the muddle. Lavender + blackberry is a Provençal pairing. Use sparingly — lavender turns soapy fast.

Glassware & Tools

• Molten Tumblers or any rocks glass — see Best Old Fashioned Glass.
• Glacier Rocks Sphere mold — for the ice rock.
• Big Jig Double Jigger — for measuring.
• Trident Cocktail Spoon — for stirring.
• A muddler — see our muddling guide.

Frequently Asked Questions

How do you make a Blackberry Old Fashioned?

Place 4–5 fresh blackberries in a rocks glass. Add ¼ oz demerara syrup and 2 dashes Angostura; muddle 8–10 times. Add one large ice rock and 2 oz bourbon. Stir 25–30 times. Garnish with expressed lemon peel and 2 blackberries on a pick.

Bourbon or rye for a Blackberry Old Fashioned?

Bourbon. Bourbon's vanilla-caramel character pairs naturally with blackberry's dark-fruit profile. Rye's pepper fights the berry and produces a more austere cocktail.

Can I use frozen blackberries?

Yes — frozen blackberries actually work surprisingly well for this cocktail. Thaw fully, drain excess water, then muddle. Frozen preserves dark-fruit aromatics that off-season fresh berries lose.

What season is the Blackberry Old Fashioned best?

July through August, when local and wild blackberries are at peak. Outside that window, the cocktail still works with quality grocery-store berries (May–September) or frozen berries (year-round). Off-season fresh berries are the worst option.

Should I strain the blackberry seeds?

Personal preference. Most drinkers keep the seeds — they don't affect the drinking experience and the visual of dark berry pulp is part of the cocktail's character. For a cleaner pour, fine-strain through a tea strainer.

What food pairs with a Blackberry Old Fashioned?

Pairs well with summer-evening foods: grilled pork or duck, herbed lamb, dark chocolate desserts, blue cheese plates. The bourbon-blackberry combination is the canonical American summer dinner pairing.

More Recipes: All Variations · Peach · Strawberry · Cherry