Cast-Iron Smoked Blackberry Bourbon Fizz with Grilled Rosemary
A smoky, herb-forward bourbon fizz made with cast-iron–grilled blackberries and a rosemary-smoked simple syrup. Perfect for serving at a backyard cookout, this fizzy cocktail balances caramelized fruit, bright lemon, and a pronounced grilled-rosemary aroma.

Jake Woods's note
"This cocktail shines at evening cookouts when the grill is already hot — the cast-iron caramelization adds a savory edge that pairs beautifully with bourbon. Home bartenders will love the simple on-grill smoke technique that lifts the rosemary into the glass."
About This Recipe
The Cast-Iron Smoked Blackberry Bourbon Fizz is built around two simple ideas: push blackberries until their sugars darken and smoke rosemary until its aromatic pineiness perfumes both the syrup and the glass. Caramelized berries give the cocktail a jammy, slightly savory backbone—the same browned flavor notes you chase when you sear meat—while fresh lemon and sparkling water lift the drink so it never feels cloying. Bourbon supplies caramel and vanilla depth, and the final slapped sprig of charred rosemary releases volatile oils that make the first sip smell like a summer bonfire.
This version succeeds because it layers smoke deliberately: a rosemary-steeped simple syrup for sustained herbiness and a quick cast-iron char for immediate caramel and char flavors. Cast iron is not decorative here; its heat retention promotes even blistering and a fond that can be coaxed into the cocktail for extra complexity. Perfect for backyard hosts who want something showy but low-fuss, it scales easily for pitchers, plays beautifully alongside grilled meats and hard cheeses, and converts to a vibrant mocktail with a few smart swaps.
Ingredients for Cast-Iron Smoked Blackberry Bourbon Fizz with Grilled Rosemary
- 2 cups Fresh blackberries
- 8 sprigs Fresh rosemary sprigs (divided — for smoking, syrup, and garnish)
- 3/4 cup Granulated sugar (for rosemary smoked simple syrup)
- 3/4 cup Water (for simple syrup)
- 8 fl oz Bourbon
- 1/2 cup Fresh lemon juice
- 12 fl oz Sparkling water (to top)
- 2 cups Ice
How to Make Cast-Iron Smoked Blackberry Bourbon Fizz with Grilled Rosemary
Step 1: Caramelize blackberries and smoke rosemary on the grill
Preheat a gas or charcoal grill to medium-high and set a heavy cast-iron skillet directly over the heat. Toss the blackberries in a tablespoon of neutral oil and add 3–4 rosemary sprigs to the skillet; when the rosemary begins to smoke (or the grill flares slightly), press the berries into the skillet and let them cook, undisturbed, until blistered and caramelized (about 4–6 minutes), turning once for light charring. If you don’t have a grill, heat a skillet on the stovetop over medium-high and use a kitchen torch or briefly char a sprig of rosemary in the pan to create aromatic smoke; transfer charred rosemary to the pan and follow the same caramelizing step.For this step
- 2 cupsFresh blackberries
- 8 sprigsFresh rosemary sprigs (divided — for smoking, syrup, and garnish)
Step 2: Make rosemary-smoked simple syrup (grill or stovetop)
While the berries cook, make the syrup by combining sugar and water in a small saucepan or heatproof container; add 2 rosemary sprigs. For on-grill smoke, place the saucepan (covered with foil if small) on a cooler part of the grill and let it simmer gently until sugar dissolves, then remove and let steep with the rosemary for 10 minutes to absorb smoke. Stovetop alternative: simmer sugar and water until dissolved, then push a charred rosemary sprig into the syrup and steep off heat for 10 minutes for a smoky herb note; strain before using.For this step
- 3/4 cupGranulated sugar (for rosemary smoked simple syrup)
- 3/4 cupWater (for simple syrup)
Step 3: Shake the cocktail base with bourbon, lemon and blackberries
In a cocktail shaker, add the caramelized blackberries (reserve a few whole for garnish), 8 fl oz bourbon, 1/2 cup fresh lemon juice, 2–3 tablespoons of the rosemary-smoked syrup (taste and adjust), and a handful of ice. Muddle lightly to release juices, then shake vigorously for 12–15 seconds to chill and integrate the flavors. Double-strain into ice-filled rocks glasses to remove seeds and solids; if you prefer more texture, single-strain and leave some berry bits in the glass.For this step
- 8 fl ozBourbon
- 1/2 cupFresh lemon juice
- 2 cupsIce
Step 4: Top, garnish with charred rosemary, and serve
Top each glass with about 3 fl oz sparkling water (adjust to taste) and gently stir once to combine. Char a rosemary sprig over the grill or flame until the tips are blackened and aromatic, then slap it between your palms to release oils and place it as a garnish; add a grilled blackberry on a pick or skewer. Serve immediately so the rosemary smoke is prominent and the fizz is lively.For this step
- 12 fl ozSparkling water (to top)
- Preheat a gas or charcoal grill to medium-high and set a heavy cast-iron skillet directly over the heat. Toss the blackberries in a tablespoon of neutral oil and add 3–4 rosemary sprigs to the skillet; when the rosemary begins to smoke (or the grill flares slightly), press the berries into the skillet and let them cook, undisturbed, until blistered and caramelized (about 4–6 minutes), turning once for light charring. If you don’t have a grill, heat a skillet on the stovetop over medium-high and use a kitchen torch or briefly char a sprig of rosemary in the pan to create aromatic smoke; transfer charred rosemary to the pan and follow the same caramelizing step.
- While the berries cook, make the syrup by combining sugar and water in a small saucepan or heatproof container; add 2 rosemary sprigs. For on-grill smoke, place the saucepan (covered with foil if small) on a cooler part of the grill and let it simmer gently until sugar dissolves, then remove and let steep with the rosemary for 10 minutes to absorb smoke. Stovetop alternative: simmer sugar and water until dissolved, then push a charred rosemary sprig into the syrup and steep off heat for 10 minutes for a smoky herb note; strain before using.
- In a cocktail shaker, add the caramelized blackberries (reserve a few whole for garnish), 8 fl oz bourbon, 1/2 cup fresh lemon juice, 2–3 tablespoons of the rosemary-smoked syrup (taste and adjust), and a handful of ice. Muddle lightly to release juices, then shake vigorously for 12–15 seconds to chill and integrate the flavors. Double-strain into ice-filled rocks glasses to remove seeds and solids; if you prefer more texture, single-strain and leave some berry bits in the glass.
- Top each glass with about 3 fl oz sparkling water (adjust to taste) and gently stir once to combine. Char a rosemary sprig over the grill or flame until the tips are blackened and aromatic, then slap it between your palms to release oils and place it as a garnish; add a grilled blackberry on a pick or skewer. Serve immediately so the rosemary smoke is prominent and the fizz is lively.
Cast-Iron Smoked Blackberry Bourbon Fizz with Grilled Rosemary Tips
Choose ripe blackberries
Ripe berries caramelize faster and yield a sweeter jammy flavor; underripe fruit will stay tart and won't blister as well on the hot pan.
Heat the cast iron
Let the skillet get smoking hot before adding oil and rosemary so the berries blister quickly and develop a good sear without collapsing.
Control smoke intensity
Steep the rosemary in the syrup for 8–12 minutes for a pronounced note, or shorten to 4–6 minutes for a subtler smoke; strain well to avoid bitter bits.
Double-strain for silkiness
Use a fine-mesh strainer on top of a standard one to remove seeds and bits for a smooth mouthfeel, or single-strain if you want rustic texture.
Taste and balance
Start with 2 tablespoons of smoked syrup and add more to taste—blackberries and bourbon vary in sweetness, so adjust lemon and syrup to keep the fizz lively.
Cast-Iron Smoked Blackberry Bourbon Fizz with Grilled Rosemary Variations and Substitutions
Mocktail blackberry fizz
Swap bourbon for 8 oz chilled strong black tea or non-alcoholic bourbon alternative and increase sparkling water slightly; add a drop of nonalcoholic bitters for complexity.
Mezcal for deeper smoke
Replace bourbon with mezcal for a smoky, agave-driven profile that plays well with charred blackberries and rosemary.
Citrus-herb twist
Use thyme or sage instead of rosemary in the syrup and garnish for a softer herbal note that pairs nicely with lemon and berry.
Spiced simple syrup
Add a crushed cardamom pod or a small strip of orange zest to the syrup for warm spice or bright citrus undertones; strain before use.
How to Store and Make Cast-Iron Smoked Blackberry Bourbon Fizz with Grilled Rosemary Ahead
Make the rosemary-smoked simple syrup up to 5 days ahead and refrigerate in a sealed jar, keeping the flavor bright. Cooked blackberries mixed with bourbon can be stored, covered, in the fridge for up to 48 hours—shake and re-strain before serving. Assembled cocktails should be served immediately; if you must prepare in advance, mix the bourbon-lemon-berry base and chill, then finish with sparkling water and garnish at service.
What to Serve With Cast-Iron Smoked Blackberry Bourbon Fizz with Grilled Rosemary
Serve in short rocks glasses over a single large ice cube to keep dilution slow and the fizz lively, with a grilled blackberry on a pick and a slapped rosemary sprig for aroma. Offer salty, smoky foods alongside—think grilled pork chops, charred corn salad, or a plate of aged cheddar and prosciutto—to echo the cocktail’s savory-sweet balance. For a lighter spread, pair with a tabbouleh or citrusy shrimp skewers.
Cast-Iron Smoked Blackberry Bourbon Fizz with Grilled Rosemary FAQs
Can I use frozen blackberries?
Yes—thaw and drain them well, then pat dry before tossing in oil; they won't blister exactly like fresh, but they'll still caramelize and give great flavor.
How smoky will the cocktail be?
The smoke level depends on your syrup steep time and how charred you let the garnish get; for a pronounced rosemary smoke, steep 8–12 minutes and lightly blacken the sprig before serving.
Can I make the rosemary syrup ahead?
Absolutely; the syrup keeps refrigerated for about 5 days and actually mellows and integrates the rosemary flavor over time—just taste before using and adjust strength.
Why do you recommend cast iron specifically?
Cast iron holds and radiates heat evenly, producing consistent blistering and a fond that contributes deeper caramel and toasted notes you won't get from a thinner pan.
Can I use another spirit besides bourbon or mezcal?
Yes—rye will give spicier, more peppery notes while aged rum will amplify the molasses and caramel character; adjust lemon and syrup to keep the balance.
About the author
Jake WoodsHello, I'm Jake. I started this recipe site with the idea that I hated recipe websites that overwhelm you with long stories and ads just to see plain content that's not helpful. My goal is to provide you with quality recipes, simple ideas and a fun cooking experience. There's lots of fun things to cook, and I think as you browse the site you'll find that TopShelf.Recipes is the place for quality recipes on the web.
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Nutrition Facts
Per serving: about 2 cups
Nutrition values are estimated from USDA ingredient data and may vary based on preparation, brands, and portion sizes. Values are provided for informational purposes only.
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