Go Back
+ servings
grapefruit mocktail held between two hands
Print Pin
5 from 1 vote

Grapefruit Rosemary Mocktail

This non-alcoholic grapefruit mocktail with rosemary simple syrup is fizzy, fresh, and delicious! The perfect drink companion for festive occasions with children and adults!
Course Drinks
Cuisine Vegan
Keyword grapefruit cocktail, mocktail recipes, rosemary simple syrup, sodastream recipes
Prep Time 5 minutes
Cook Time 10 minutes
Total Time 15 minutes
Servings 1 Mocktail
Calories 79kcal
Author Aline Cueni


Grapefruit Rosemary Simple Syrup

  • 1 cup white sugar
  • 1 cup water
  • ½ cup fresh grapefruit juice
  • 2 sprigs fresh rosemary
  • 4 slices fresh ginger
  • 1 tbsp grapefruit zest

Grapefruit Rosemary Mocktail

  • 1 tbsp grapefruit rosemary simple syrup
  • cup fresh grapefruit juice
  • ½ cup sparkling water


Grapefruit Rosemary Simple Syrup

  • Add all the ingredients for the syrup in a small pot and bring to the boil. Reduce the heat and let it simmer for 10 minutes.
  • Remove from the heat and let the syrup steep and cool for about one hour.
  • Store it in a glass bottle or glass jar and keep refrigerates for up to one week. → If you don't like grapefruit zest in your drink, pour it through a fine-mesh sieve just before serving.

Grapefruit Rosemary Mocktail

  • Add the syrup and then the fresh grapefruit juice in a cocktail glass.
  • Top it with sparkling water and ice cubes. Decorate with fresh rosemary or grapefruit slices.



  • Grapefruit: ∼ 3 fresh pink grapefruit should be enough to prepare the syrup and 4 drinks.
  • Syrup: Make the syrup one day in advance and store it in the refrigerator for a more flavorful syrup.
  • Syrup Yield: You can make up to 20 mocktails with the syrup, depending on how sweet you like them.
  • For Kids: If your kids don't like the bitter taste of grapefruit juice, serve them only the syrup topped with sparkling water.
  • Large Drinks: The serving size is for a small cocktail or champagne glass. Double the amount of ingredients if using regular glasses.


Serving: 1g | Calories: 79kcal | Carbohydrates: 20g | Sodium: 2mg | Sugar: 18g