This citrus-rosemary gin fizz combines gin, fresh lemon juice, a quick rosemary syrup, and sparkling soda for a bright, gently herbal evening drink. Shake the first three ingredients with ice, then pour over fresh ice and top with soda; the recipe makes two cocktails and is easy to adjust for a sweeter or sharper finish. This recipe is for adults of legal drinking age; drink responsibly.
Ingredients
- 4 oz (120 ml) gin
- 2 oz (60 ml) freshly squeezed lemon juice, strained of seeds
- 1½ oz (45 ml) rosemary simple syrup, or to taste
- 6 oz (180 ml) chilled club soda or plain sparkling water
- 2 cups (about 280 g) ice for shaking and serving
- 2 lemon wheels (about 10 g total), for garnish
- 2 small rosemary sprigs (about 2 g total), for garnish
For the rosemary syrup:
- ¼ cup (50 g) granulated sugar
- ¼ cup (60 ml) water
- 1 fresh rosemary sprig (about 1 g)
Instructions
- Prepare the syrup ingredients. Add the sugar and water to a small saucepan and set out a heatproof cup or shallow container for cooling the finished syrup. Rinse the rosemary sprig and gently press it once between your fingers to release its aroma; do not crush it into pieces, which can make the syrup harder to strain. This setup takes about 3 minutes.
- Make the rosemary syrup. Warm the sugar and water in the saucepan over medium heat, stirring until the sugar dissolves. Bring the mixture just to a gentle simmer, then simmer for 5 minutes. Avoid a hard boil: reducing the liquid too far can make the syrup overly thick and intensely sweet.
- Steep, strain, and cool. Remove the pan from the heat, add the rosemary sprig, and leave it to steep for 15 minutes. Lift out the rosemary and discard it, then pour the syrup into the heatproof container. Let it cool to room temperature for about 20 minutes before mixing the drinks. The syrup should smell herbal and lightly sweet, not sharply pine-like. If you prefer a more pronounced rosemary note next time, steep the sprig for a few minutes longer rather than adding extra leaves.
- Chill the serving glasses. While the syrup cools, place two highball or Collins glasses in the refrigerator, or fill them with ice water for a few minutes and empty them before serving. A cold glass helps the finished drink stay crisp, though this step is optional if you are short on time.
- Shake the cocktail base. Add the gin, lemon juice, rosemary syrup, and about 1 cup (140 g) of ice to a cocktail shaker. Close it securely and shake for 10 to 12 seconds, until the outside feels cold. If you do not have a shaker, use a clean jar with a tight-fitting lid, leaving enough room for the ice to move.
- Pour and finish. Divide fresh ice between the two glasses. Strain half of the shaken mixture into each glass, then slowly top each with 3 oz (90 ml) chilled club soda. Give each drink one gentle lift with a bar spoon; stirring vigorously will knock out some of the bubbles. Garnish with a lemon wheel and a small rosemary sprig, and serve straight away.
Tips
- Start with less syrup if you like a tart drink. The recipe uses ¾ oz (22 ml) per serving, a balanced starting point for fresh lemon. For a drier, sharper fizz, begin with ½ oz (15 ml) per glass; for a rounder taste, add syrup in small increments after shaking. Tasting the base before adding soda is useful because the soda will soften its intensity.
- Measure lemon juice freshly. Fresh juice gives this drink its clean citrus character. Bottled lemon juice can work in a pinch, but its flavor may taste flatter or more pronounced, so start with a little less and adjust. Straining out seeds is worthwhile; a small amount of pulp is fine.
- Use cold, fresh soda and pour it gently. Flat or warm soda makes the drink less lively. Keep the bottle chilled and open it just before serving. Add it after the shaken base has been strained into the glass, rather than shaking it, to avoid pressure and preserve carbonation.
- Keep the rosemary infusion controlled. Rosemary varies in size and strength. One small sprig steeped for 15 minutes gives a noticeable but restrained herbal flavor. If your sprig is large, remove it after 10 minutes and taste; a long steep can make the syrup taste medicinal or bitter. Do not substitute dried rosemary one-for-one, since it is more concentrated and can be difficult to strain cleanly.
Serving Suggestions
Serve the fizz immediately in tall, chilled glasses so the soda stays sparkling and the ice keeps the drink cold. A highball or Collins glass gives the bubbles room and makes it easy to add a full measure of soda; a stemless wine glass also works if that is what you have. Use plenty of fresh ice rather than a few small cubes, which melt quickly and dilute the drink. A thin lemon wheel adds a fresh citrus aroma, while the rosemary garnish hints at the syrup’s flavor. Lightly tap the garnish against your palm before adding it, but avoid muddling it in the glass.
This cocktail pairs well with salty, savory snacks that will not overpower the lemon and herbs: olives, salted almonds, crisp crackers, or a simple cheese board are all easy options. For a meal, try it alongside grilled vegetables, roast chicken, or a lemony pasta. If you are serving a group, put out lemon wheels and rosemary sprigs separately so each person can garnish their glass. Keep the syrup, gin, lemon juice, and soda chilled, and assemble each drink shortly before it is served rather than making a pitcher far ahead.
Variations
Make it a nonalcoholic rosemary-lemon fizz. Replace the gin with 4 oz (120 ml) chilled nonalcoholic gin alternative or, for a simpler option, 4 oz (120 ml) cold water. Shake the alternative with lemon and syrup, then top with soda as directed. Water makes a lighter, less aromatic drink; a nonalcoholic spirit substitute usually brings more botanical flavor, but products vary in sweetness, so adjust the syrup after tasting.
Try a different citrus fruit. Replace the lemon juice with 2 oz (60 ml) fresh lime juice for a sharper, more tropical edge, or use 2 oz (60 ml) fresh grapefruit juice for a softer, gently bitter finish. Grapefruit is less acidic than lemon, so taste the mixture before adding soda and add a small squeeze of lemon if you want more brightness. Keep the total juice amount close to the recipe so the drink remains balanced.
Change the herb or sweetener. Mint can replace rosemary for a fresher, cooling aroma; steep a few leaves briefly and remove them before the syrup becomes grassy. Thyme makes a subtler, earthier syrup and can be steeped for the same 15 minutes, with tasting near the end. You can also use honey in place of granulated sugar, dissolving ¼ cup (about 85 g) honey in ¼ cup (60 ml) warm water. Honey syrup tastes fuller and less neutral, so start with 1 oz (30 ml) per drink and add more only if needed.
Adjust the bubbles. Club soda is neutral and lets the rosemary and lemon lead. Tonic water adds bitterness and sweetness, so use it in place of only part of the soda and reduce the rosemary syrup. For a milder drink, add a little more soda; for a stronger-tasting cocktail, reduce the soda modestly rather than increasing the gin in a way that throws off the balance.
Storage and Reheating
The assembled cocktail is best served as soon as it is made. Once topped with soda, it loses carbonation as it sits, and melting ice gradually dilutes the flavors. Do not store a finished drink for later or try to revive it by reheating; this is a cold, sparkling cocktail, and reheating is not applicable. If you need to pause, keep the shaken base separate from the soda and ice, covered and refrigerated, then add chilled soda and fresh ice when ready to serve. For best flavor, use that base the same day.
Cool leftover rosemary syrup promptly and refrigerate it in a clean, covered food-safe container within 2 hours of cooking. Use it within 1 week, and discard it if its appearance or smell changes. Keep the syrup separate from the soda and cocktail base so it can be measured into fresh drinks as needed. Fresh lemon juice is best used the day it is squeezed; if you have extra, cover and refrigerate it and use it within 1 to 2 days. There is no cooked food in this recipe to reheat.
Frequently Asked Questions
What kind of gin works best in this fizz?
A London dry-style gin is a dependable choice because its juniper and citrus notes stand up to lemon and soda without making the drink too sweet. A softer, floral gin also works and gives the rosemary a gentler backdrop. Since gin styles differ, keep the first drink to the listed syrup amount, taste the shaken base, and adjust the second serving if needed.
Can I make the rosemary syrup ahead?
Yes. Make it up to 1 week in advance, cool it, and refrigerate it in a clean, covered container. Stir before measuring if it has been sitting for several days. Making the syrup ahead shortens the time needed to prepare drinks, but chill it before using so it does not warm the cocktail or melt the ice too quickly.
Can I make a batch for a party?
You can multiply the gin, lemon juice, and syrup for the number of guests and chill that mixture in a covered pitcher for a few hours. For two drinks, the base is 4 oz (120 ml) gin, 2 oz (60 ml) lemon juice, and 1½ oz (45 ml) rosemary syrup. Do not add soda or ice to the pitcher in advance; pour the base over ice in individual glasses and top each glass with soda just before serving.
What can I use if I do not have a cocktail shaker?
A clean jar with a secure, leakproof lid works well. Add the gin, lemon juice, syrup, and ice, close it firmly, and shake for 10 to 12 seconds. A jar may be heavier and less convenient to strain than a shaker, so pour through a small kitchen strainer if you do not have a cocktail strainer. Do not put soda in the sealed jar.
Why does my rosemary syrup taste bitter or too strong?
It may have steeped too long, or the sprig may have been unusually large or woody. Remove the herb as soon as the syrup tastes lightly aromatic, and avoid crushing it. If a batch is already strong, use less of it in each cocktail and add a little more lemon juice or soda to balance the flavor; making a fresh, milder batch is the best fix if it is distinctly bitter.
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