Quick Recipe Version (TL;DR)
Quick Ingredients
- 1 1/2 cups fresh or frozen blackcurrants, about 6 ounces or 170g
- 1/2 cup granulated sugar
- 1/2 cup cold water
- 1 strip orange zest, about 3 inches by 1 inch
- 1 strip lemon zest, about 3 inches by 1 inch
- 1/16 teaspoon fine sea salt
- 1/2 cup fresh orange juice, chilled
- 1/4 cup fresh lemon juice, chilled
- 3 cups plain sparkling water, chilled to 38°F to 40°F
- 2 cups ice cubes
- Orange slices, lemon slices, fresh mint, and extra blackcurrants, for garnish
Do This
- 1. Combine blackcurrants, sugar, water, orange zest, lemon zest, and salt in a small saucepan.
- 2. Bring to a gentle simmer over medium heat, then cook for 6 to 8 minutes, mashing the berries as they soften.
- 3. Strain through a fine-mesh sieve to make about 1 cup of deep purple blackcurrant syrup.
- 4. Chill the syrup in an ice bath for 15 minutes, or until it reaches 45°F or colder.
- 5. Stir the chilled syrup with the orange juice and lemon juice.
- 6. Divide the citrus-blackcurrant base among 4 ice-filled glasses.
- 7. Top each drink with 3/4 cup sparkling water, stir gently once, garnish, and serve immediately.
Why You’ll Love This Recipe
- Bold berry flavor: Blackcurrants bring a deep, jammy, slightly tart flavor that tastes more special than a standard fruit soda.
- Bright and refreshing: Fresh lemon and orange juices balance the richness of the berries with clean citrus sparkle.
- Great for gatherings: Make the blackcurrant syrup ahead, then top with sparkling water right before serving.
- Easy to customize: Keep it alcohol-free, make it less sweet, or turn it into a simple cocktail for adults.
Grocery List
- Produce: Fresh or frozen blackcurrants, oranges, lemons, fresh mint, optional extra berries for garnish
- Dairy: None; this drink is naturally dairy-free
- Pantry: Granulated sugar, fine sea salt, plain sparkling water, ice
Full Ingredients
For the Blackcurrant Syrup
- 1 1/2 cups fresh or frozen blackcurrants, about 6 ounces or 170g
- 1/2 cup granulated sugar, about 100g
- 1/2 cup cold water, 120ml
- 1 strip orange zest, about 3 inches by 1 inch, removed with a vegetable peeler and avoiding the bitter white pith
- 1 strip lemon zest, about 3 inches by 1 inch, removed with a vegetable peeler and avoiding the bitter white pith
- 1/16 teaspoon fine sea salt
For the Citrus Fizz
- 1/2 cup fresh orange juice, 120ml, chilled
- 1/4 cup fresh lemon juice, 60ml, chilled
- 3 cups plain sparkling water, 720ml, chilled to 38°F to 40°F
- 2 cups ice cubes, divided among 4 glasses
For Garnish
- 4 thin orange half-moons
- 4 thin lemon wheels
- 1/4 cup fresh or thawed blackcurrants, optional
- 4 small fresh mint sprigs, optional
Step-by-Step Instructions
Step 1: Chill the sparkling water and prepare your garnishes
For the crispest fizz, place the sparkling water in the refrigerator until it reaches 38°F to 40°F. If you do not have a thermometer, chill it for at least 2 hours before making the drinks. Wash the orange, lemon, mint, and blackcurrants. Slice 4 thin orange half-moons and 4 thin lemon wheels for garnish, then set them aside.
Step 2: Start the blackcurrant syrup
In a small saucepan, combine 1 1/2 cups blackcurrants, 1/2 cup granulated sugar, 1/2 cup cold water, 1 orange zest strip, 1 lemon zest strip, and 1/16 teaspoon fine sea salt. Set the pan over medium heat and stir gently until the sugar begins to dissolve. The mixture should come to a gentle simmer, about 190°F to 200°F, in 3 to 4 minutes.
Step 3: Simmer and mash the berries
Once the mixture is simmering, reduce the heat to medium-low and cook for 6 to 8 minutes. Stir often and gently mash the blackcurrants against the side of the pan with a spoon. The berries should burst, the syrup should turn a deep glossy purple, and the sugar should be fully dissolved. Avoid a hard rolling boil, which can make the syrup taste slightly cooked instead of fresh and fruity.
Step 4: Strain the syrup
Place a fine-mesh sieve over a heatproof measuring cup or bowl. Pour the hot berry mixture through the sieve, then press the fruit gently with the back of a spoon to extract the syrup. Do not force every bit of pulp through; a little pressure gives rich flavor, while too much can make the drink cloudy. Discard the spent berry skins and citrus zest. You should have about 1 cup of blackcurrant syrup.
Step 5: Chill the syrup quickly
Set the bowl or measuring cup of syrup into a larger bowl filled with ice and cold water. Stir the syrup occasionally for 15 minutes, or until it reaches 45°F or colder. Chilling the syrup before mixing helps the sparkling water stay bubbly and keeps the final drink bright, cold, and refreshing.
Step 6: Mix the blackcurrant citrus base
In a small pitcher, combine the chilled blackcurrant syrup, 1/2 cup fresh orange juice, and 1/4 cup fresh lemon juice. Stir well. Taste the base before adding sparkling water: it should be bold, tangy, and slightly sweeter than you want the final drink to be, because the sparkling water will dilute it. If your berries are especially tart, stir in 1 tablespoon additional granulated sugar until dissolved.
Step 7: Build the drinks
Fill four 12-ounce glasses with 1/2 cup ice cubes each. Divide the blackcurrant citrus base evenly among the glasses, using about 3 1/2 ounces or 105ml per glass. Slowly top each glass with 3/4 cup chilled sparkling water. Pouring gently down the inside of the glass helps preserve the bubbles.
Step 8: Garnish and serve
Stir each drink once or twice with a long spoon, just enough to combine without flattening the fizz. Garnish with an orange half-moon, a lemon wheel, a few blackcurrants, and a small mint sprig if you like. Serve immediately while the drink is cold, bubbly, and vibrant.
Pro Tips
- Keep everything cold: Sparkling water holds bubbles best when it is chilled to 38°F to 40°F, so cold ingredients make a noticeably fizzier drink.
- Use fresh citrus juice: Bottled lemon juice can taste sharp and flat here. Fresh lemon and orange juice make the drink taste brighter and cleaner.
- Do not over-stir after adding sparkling water: One or two gentle turns is enough. Too much stirring knocks out the carbonation.
- Adjust sweetness before adding bubbles: Taste the syrup-citrus base first. Once sparkling water is added, extra sugar is harder to dissolve.
- For a clearer drink: Strain the syrup through a damp coffee filter after using the fine-mesh sieve. This takes 5 to 10 extra minutes but gives a more polished, jewel-toned fizz.
Variations
- Blackcurrant Lime Fizz: Replace the 1/4 cup lemon juice with 1/4 cup fresh lime juice and garnish with lime wheels for a sharper, more tropical finish.
- Herbal Blackcurrant Fizz: Add 1 small rosemary sprig or 2 thyme sprigs to the syrup during the final 3 minutes of simmering, then strain them out with the berries.
- Blackcurrant Citrus Spritz: For an adult version, add 1 1/2 ounces gin or vodka to each glass before topping with sparkling water. Reduce the sparkling water to 1/2 cup per glass so the drink stays balanced.
Storage & Make-Ahead
The blackcurrant syrup can be made up to 5 days ahead. Store it in a clean airtight jar in the refrigerator at 40°F or colder. For longer storage, freeze the syrup in ice cube trays for up to 2 months, then transfer the cubes to a freezer bag. Thaw in the refrigerator before using. You can juice the oranges and lemons up to 24 hours ahead and keep the juice covered in the refrigerator. For the best fizz, do not combine the syrup-citrus base with sparkling water until just before serving. Once assembled, the drinks are best enjoyed within 10 minutes.
Nutrition (per serving)
Calories: 142 kcal | Carbs: 36g | Protein: 1g | Fat: 0g | Saturated Fat: 0g | Fiber: 1g | Sugar: 31g | Sodium: 38mg | Cholesterol: 0mg
