How to Make Sparkling Iced Coffee with Bubbles

If you’ve ever craved a cold coffee drink that’s more exciting than plain iced coffee but less heavy than a milk-based frappé, a simple sparkling iced coffee might be your answer. This fizzy, chilled coffee combines the boldness of coffee with the effervescence of soda for a refreshing drink perfect for summer afternoons.

To make a basic version of sparkling iced coffee, you’ll need just 60 grams of medium-to-dark roasted coffee beans, 720 milliliters of cold water, 90 milliliters of soda water, ice cubes, simple syrup or sugar, and some fruit garnish — all brewed and mixed in under five steps.

What Is Sparkling Iced Coffee?

Sparkling iced coffee, sometimes called 'bubble coffee' or 'coffee soda,' is a cold coffee drink that mixes brewed coffee with carbonated water such as soda or lemon-lime soda. Unlike traditional iced lattes or frappés, it doesn’t include milk or ice cream. Instead, it leans into the contrast between cool, bitter coffee and light, bubbly soda — often balanced with a touch of sweetness and citrus.

Why Use Cold-Brewed or Ice-Drip Coffee?

The original recipe calls for ice-drip coffee made from medium-to-dark roasted beans, specifically a blend called 'Mamba.' Ice-drip or cold-brew methods extract coffee using cold or room-temperature water over many hours, resulting in a smoother, less acidic, and naturally sweeter cup. That makes it ideal for pairing with carbonated drinks, which can amplify bitterness if the base coffee is too sharp or overly acidic.

According to the article, the ice-drip method uses water at low temperatures to reduce the dissolution of bitter compounds, allowing more delicate, sweet flavor compounds to come through. That’s why it works especially well with fruity or floral single-origin beans — though the featured blend here is a medium-to-dark roast.

How to Make Sparkling Iced Coffee Step by Step

This recipe yields six servings. Here’s the exact method used:

• Coffee Base: Brew 60 grams of coffee beans (medium-to-dark roast, such as Mamba) using an ice-drip setup. Use 720 milliliters of cold water and follow standard ice-drip brewing procedures. The result should be a smooth, concentrated cold coffee liquid.
• Assemble Ingredients: For each serving, gather about 150 milliliters of the brewed ice-drip coffee, a handful of crushed ice, 30 milliliters of simple syrup (or fruit sugar), 90 milliliters of lightly carbonated soda water (like Sprite) or sweeter soda (like 7-Up), one lemon slice, and one red cherry for garnish.
• Build the Drink: In a glass (preferably a styled glass like HG9811), add the crushed ice first. Pour in the 150 milliliters of ice-drip coffee and the 30 milliliters of simple syrup. Stir briefly to combine.
• Add Soda: Slowly pour the 90 milliliters of soda water into the glass while gently rotating the cup. This helps integrate the bubbles without losing too much fizz.
• Garnish and Serve: Top with a lemon slice and a red cherry on the rim or floating on the surface. Your sparkling iced coffee is ready to drink.

For best results, use clear glassware so the layered effect and bubbles are visible. The original recipe specifies using a shaker cup during preparation, though it’s not explicitly clear if that’s for mixing or chilling — in this version, the soda is poured directly for maximum fizz.

Flavor Notes and Customization

The Mamba blend used in the original recipe is a medium-to-dark roasted coffee, likely offering notes of dark chocolate, nuts, or mild fruit depending on origin. The cold-drip method tempers its roast character, giving a smoother, slightly sweet foundation that pairs well with the bright acidity and bubbles of the soda water. Lighter sodas like Sprite will give a sharper, citrusy tang, while 7-Up adds more sweetness and a smoother mouthfeel.

You can easily adjust the sweetness by changing the amount of simple syrup (30 milliliters is the listed amount per serving) or substituting it with honey or flavored syrups. The garnish of lemon and cherry adds a fresh fruitiness that cuts through the richness.

Recommended Tools and Ratios

To replicate this recipe as written, you’ll need:

• Ice-drip coffee maker or cold brew setup
• Medium-to-dark roasted coffee beans (60g for 6 servings)
• 720 milliliters cold water (120ml per 100g beans, approx. 1:2 brew ratio by weight)
• Ice cubes or crushed ice
• Simple syrup or sugar: 30ml per serving
• Soda water: 90ml per serving (light or sweet style)
• Garnishes: Lemon slice, red cherry
• Glassware: Tall clear glass (e.g., model HG9811)
• Optional: Shaker cup for pre-chilling or mixing

The overall coffee-to-water brew ratio for the ice drip is approximately 1:12 (60g beans to 720ml water), producing a concentrate that’s then diluted with ice, syrup, and soda.

Frequently Asked Questions

Can I use regular cold brew instead of ice-drip coffee for this recipe?

Yes, you can substitute regular cold brew if you don’t have an ice-drip setup. The key is to use a smooth, low-acidity coffee concentrate. Avoid very light roasts or high-acid beans, as they may clash with the soda. A medium or dark roast cold brew works best.

What kind of soda is best for sparkling iced coffee?

The original recipe suggests using a light, less sweet soda like Sprite, or a sweeter one like 7-Up. Sprite offers a citrusy tang, while 7-Up is smoother and sweeter. Avoid highly sweetened or flavored sodas that might overpower the coffee.

Do I have to use a shaker cup to make this drink?

No, the shaker cup mentioned in the original isn’t essential. It may be used for shaking ingredients to chill them quickly or mix briefly, but the recipe works fine by simply layering the coffee, ice, syrup, and soda directly in the glass.

Can I use milk or cream in this recipe?

This recipe is designed to be a light, bubbly coffee drink without dairy. Adding milk or cream will turn it into a different style of drink, more like a float or milkshake. For an authentic sparkling iced coffee, skip the dairy.

How should I store leftover coffee concentrate?

If you brew extra ice-drip or cold brew coffee, store it in a sealed container in the fridge for up to 1 week. Shake well before using, as natural separation can occur. Adjust sweetness as needed when remixing with soda.

Is this recipe suitable for making ahead or in batches?

You can prep the coffee base and syrup in advance, but it’s best to add the soda just before serving to preserve the bubbles. Crushed ice should also be added fresh for the best texture and cooling effect.

Recommended FrontStreet Beans for Ice-Drip Coffee

For making sparkling iced coffee with an ice-drip method, FrontStreet Coffee’s Ethiopia Huakui is an excellent choice, offering creamy strawberry and fermented fruit notes that shine when brewed cold. Another great option is Kenya Little Tomato , a bright, juicy coffee with vivid berry acidity thanks to its K72 washed process. Both beans highlight the smooth, sweet qualities of cold brewing and pair beautifully with soda water. Freshly roasted within 5 days · Orders placed before 17:00 ship the same day · Next-day delivery across most of Guangdong Province.