This Blackberry Old-Fashioned adds a seasonal twist to a classic cocktail, using fresh blackberry syrup for a slightly sweet, fruit-forward variation. It’s simple to make and perfect for spring and summer gatherings.
About this Blackberry Old-Fashioned recipe
In the South, blackberry season shows up fast in the middle of summer. Most of the berries end up in cobblers or jam, but using them in a simple syrup is an easy way to bring that same fresh flavor into a cocktail like this one.
Old-fashioned lovers like me love it for its simplicity: spirit, sugar, bitters and a hint of citrus. This version keeps that structure intact but swaps in homemade blackberry syrup for a fresh, berry-driven flavor.
The result is a cocktail that is grounded in tradition but brings in a brighter, seasonal note. The blackberry syrup adds sweetness and depth, pairing well with bourbon’s caramel and vanilla undertones.
This is an easy way to update a classic without overcomplicating it, making it a strong option for warm-weather entertaining or small-batch cocktail nights.
Why you’ll love this recipe
- Seasonal twist on a classic. Blackberry syrup adds fresh berry flavor while keeping the structure of a traditional old-fashioned.
- Balanced and not overly sweet. The lemon bitters * help cut through the syrup for a balanced drink.
- Simple to make. The syrup comes together quickly and the cocktail itself takes just minutes.
- Great for entertaining. Easy to batch the syrup ahead of time for multiple drinks.
Ingredients & essentials
This recipe uses a short list of ingredients, but each one plays a specific role in building the final flavor.
Blackberries are the base of the syrup. Fresh berries will give bright flavor, but frozen work just as well and make this accessible year-round. Sugar sweetens and helps create that classic syrup texture, while water extracts the berry flavor.
For the cocktail, bourbon is the backbone. Its natural vanilla and caramel notes pair well with the blackberry syrup. Lemon bitters * add a bright contrast and keep the drink from tasting flat or overly sweet.
You’ll also need a large ice cube, which melts more slowly and keeps the drink properly diluted without watering it down. A mixing glass * and strainer are helpful, but you can also build the drink directly in a rocks glass * if preferred.
Best bourbon for old-fashioneds
A good bourbon for this drink should be smooth with some warmth, but not overly harsh or high-proof unless that’s your preference.
Look for bourbons with notes of caramel, vanilla or light spice, which complement the blackberry syrup well. Mid-range options tend to work best here, where the flavor is strong enough to stand up to the syrup but still balanced.
If you prefer a slightly bolder drink, a higher-proof bourbon will hold up well against the sweetness.
Instructions
This fruity whiskey cocktail comes together sweetly with a quick and easy simple syrup made with fresh blackberries. You can make it ahead of time, or just let it cool a little before you mix up the drink. From there, you can mix the drink right in the glass or in a mixng glass.
Would you like to save this?
We'll email a link to you, so you can come back to it later! Plus you'll get great new recipes each week!
Blackberry Syrup
- Wash the fruit. In a medium saucepan, bring water and fruit to a boil. Lower the heat and bring to a simmer for 15 minutes. Remove from heat. Pour through a fine-mesh strainer * to strain the hot liquid into a bowl or jar. Discard solids.
- Add sugar and stir into the blackberry mixture until sugar dissolves. Let cool to room temperature. Store in an airtight container for up to two weeks.
Blackberry Old-Fashioned
- In a mixing glass * with ice, or directly in a rocks glass *, add the blackberry syrup.
- Add the whiskey. If you already added an ice cube, aim to the side of it.
- Stir gently to combine. (Old-fashioneds should never be shaken.)
- Top with lemon bitters and garnish with a blackberry or two!
Tips & tricks
- Strain the syrup thoroughly. Removing the seeds creates a smoother texture.
- Adjust the syrup. Add more syrup if desired to reach your preferred level of sweetness.
- Chill the syrup before use. Cold syrup will prevent the ice from melting too quickly.
Serving suggestions
Serve in a rocks glass with a large ice cube for the best texture and presentation. Garnish with fresh blackberries for a simple, seasonal finish.
This cocktail pairs well with spring and summer menus, especially grilled foods or light appetizers. I like to serve it with grilled chicken and fresh peach salsa.
If you have extra syrup, try it in other drinks like blackberry lemonade or a blackberry margarita.
FAQ
Yes, frozen blackberries work well and are a good option when fresh berries are not in season.
Stored in an airtight container in the refrigerator, it will keep for up to two weeks.
You can make the syrup in advance. You could also make the cocktail in batches — just leave out the ice and refrigerate until ready to serve.
Leave a comment or tap the ★★★★★ below to leave a rating — it helps others and supports our work. We love hearing how it turned out!
Blackberry Old-Fashioned
ingredients
Blackberry Syrup
- 1 cup water
- 1 cup blackberries fresh or frozen
- ½ cup sugar
Blackberry Old-Fashioned
- ¼ to ½ ounce blackberry syrup
- 2 ounces bourbon whiskey
- 1 large ice cube
- 2 dashes lemon bitters
- 3 whole blackberries for garnish
instructions
Blackberry Syrup
- Wash the fruit. In a medium saucepan, bring water and fruit to a boil. Lower the heat and bring to a simmer for 15 minutes. Remove from heat.1 cup water, 1 cup blackberries
- Pour through a fine mesh strainer * to strain the hot liquid into a bowl or jar. Discard solids.
- Add sugar and stir into the blackberry mixture until sugar dissolves.½ cup sugar
- Let cool to room temperature. Store in an airtight container for up to two weeks.
Blackberry Old-Fashioned
- In a mixing glass with ice, or directly in a rocks glass, add blackberry syrup and whiskey. Stir gently. Strain into a cocktail rocks glass. Add a large ice cube.¼ to ½ ounce blackberry syrup, 2 ounces bourbon whiskey, 1 large ice cube
- Top with lemon bitters. Garnish with blackberries on a cocktail pick.2 dashes lemon bitters, 3 whole blackberries
Save this recipe for later
We’ll email a link to you, so you can come back to it later! Plus you’ll get great new recipes each week!
recommended products
As an Amazon Associate and member of other affiliate programs, I earn from qualifying purchases.
Leave a Reply