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Low-Carb Creamy Blackberry Italian Soda Recipe

This beautiful and bubbly Italian Soda Recipe combines sparkling water, low-carb blackberry syrup, and heavy cream served over ice and garnished with fresh blackberries and mint. A crisp, refreshing beverage that’s fun, sweet, and low-carb! Dairy-free option included. 
Prep Time5 minutes
Total Time5 minutes
Course: Beverages/Drinks
Cuisine: Italian
Servings: 1 cocktail


  • 2 tbsp blackberry syrup
  • 4 oz sparkling water
  • 2 oz heavy cream or coconut cream
  • fresh blackberries and mint for garnish

Low Carb Blackberry Syrup

  • 2 cups fresh or frozen blackberries
  • 1 cup water
  • 1 1/3 cup allulose*


Italian Soda

  • To a glass, add in the syrup and fill the glass with ice. Top the syrup with sparkling water and then finish with cream of choice. Mix with a spoon and garnish with fresh blackberries and mint.

Blackberry Syrup

  • In a saucepan, combine the blackberries, allulose, and water. Bring the mixture to a boil over medium heat, stirring occasionally to dissolve the sugar. Once it reaches a boil, reduce the heat to low and let it simmer for about 10-15 minutes, or until the blackberries have softened and released their juices.
  • Use a fine-mesh strainer or cheesecloth to strain the mixture into a bowl, separating the liquid from the solid parts. Allow the syrup to cool completely before transferring it to a clean bottle or jar.
  • Store the blackberry syrup in the refrigerator for up to two weeks.


Expert Tips

    • Allulose won’t crystallize once cooled. I don’t recommend using monk fruit as it will crystallize once cooled. If you don’t care about sugar count, use 1 cup of real cane sugar in place of the allulose.
    • Syrup Flavors: If you’re looking for variations for the syrup, some popular flavors include peach, pineapple, mango, blueberry, raspberry syrup, vanilla syrup, strawberry, and more! Choose your favorite flavor and adjust the sweetness to taste. 
    • Cream: I used heavy whipping cream for this recipe, but if you’re dairy-free, feel free to swap this for a can of coconut milk or coconut cream
    • Italian Soda Bar: One fun option for Italian cream soda is to make an Italian soda bar! Create a spread with bottles of carbonated water, a few syrup flavors, cream options, ice cubes, and various garnishes. Serve glasses and straws, and let everyone build their own!
    • Garnish ideas: Use fresh berries, fresh herbs, maraschino cherries, whipped cream, and whatever else sounds yummy!
    • Store-bought Syrups: While you can make your own flavored syrup, it’s also super easy to find at the store. Torani syrups are popular and easily found at local grocery stores. They have a wide selection of sugar-free flavors as well. 
    • Nutrition Facts: Be mindful that the carbohydrates, calories, and nutrition will adjust depending on your ingredients and the customization of your drink. 

Serving Tips

    • Serve this Italian soda recipe in a tall glass with ice and your favorite garnishes.