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One clear glass with grapefruit gin fizz drink, ice cubes and a sprig of fresh rosemary sitting on a white table

Grapefruit Gin Fizz Cocktail

A fun cocktail made with gin, grapefruit juice and tonic water.
Course Drinks
Cuisine American
Prep Time 10 minutes
Total Time 10 minutes
Servings 1 serving
Calories 158kcal
Author Ashley C.


  • 2 ounces gin
  • 2 ounces grapefruit juice
  • 2 ounces tonic water or club soda
  • 2 sprigs rosemary
  • grapefruit slices for garnish
  • ice cubes


  • Pour the gin and grapefruit into a large glass or cocktail shaker to mix.
  • Add ice to your glasses. Place one rosemary sprig in each glass.
  • Pour the gin mixture over the ice and add the tonic water.
  • Garnish with slices of grapefruit.


  • Double or triple the ingredients to make more servings.
  • Add simple syrup to sweeten, if desired.
  • Serve over ice or without ice.
  • Omit the rosemary garnish, if desired. 


Calories: 158kcal | Carbohydrates: 6g | Protein: 1g | Fat: 1g | Saturated Fat: 1g | Sodium: 14mg | Potassium: 92mg | Sugar: 6g | Vitamin C: 15mg | Iron: 1mg