Rosemary Grapefruit Gin Fizz Cocktail Recipe

When I want a refreshing cocktail that stands out, I make a Rosemary Grapefruit Gin Fizz.

This simple recipe combines zesty grapefruit, fresh rosemary, gin, and fizzy soda water for a drink that’s easy to mix and perfect for warm days.

The mix of herbal and citrus flavors makes it a favorite choice for my gatherings.

I enjoy how the rosemary adds a unique twist, making each sip taste bright and interesting.

This drink is quick to put together, so it’s great for last-minute plans or a relaxing evening at home.

Let me show you the equipment and ingredients you’ll need.

Plus, I’ll walk you through the step-by-step instructions to make your own Rosemary Grapefruit Gin Fizz.

Rosemary Grapefruit Gin Fizz Cocktail Recipe

Rosemary Grapefruit Gin Fizz Cocktail Recipe
I make this fresh, bubbly cocktail with grapefruit juice, rosemary, and gin for a crisp, herbal drink. Using the right tools, fresh ingredients, and clear steps helps me get the best flavor every time.
John
Prep Time 5 minutes
Total Time 5 minutes
Serving Size 1

Equipment

  • Cocktail shaker (for mixing and chilling the drink)
  • Fine mesh strainer (to remove rosemary bits and pulp)
  • Jigger or shot glass: For measuring liquids.
  • Long bar spoon (for gentle stirring)
  • Citrus juicer or reamer (to extract fresh grapefruit juice)
  • Glass tumbler or highball glass (for serving)
  • Small saucepan (for making rosemary simple syrup)
  • Small sieve (to strain syrup)
  • Ice cube tray (to prepare enough ice)

Ingredients

  • 2 oz gin I prefer a botanical gin for more flavor
  • 1 oz fresh grapefruit juice pink or red works best
  • 0.75 oz rosemary simple syrup see notes below
  • 1 oz club soda or sparkling water adds fizz
  • 1 grapefruit wheel for garnish
  • 1 small sprig of fresh rosemary for garnish
  • Ice enough to fill the shaker and glass

Instructions

  • Add gin, grapefruit juice, and rosemary simple syrup to a cocktail shaker filled with ice.
  • Shake for 20-30 seconds, until well chilled.
  • Strain the mixture into a glass filled with ice using a fine mesh strainer.
  • Top with club soda or sparkling water and stir gently with a bar spoon.
  • Garnish with a grapefruit wheel and a sprig of rosemary.
  • Shaking the ingredients blends the flavors and chills the drink.

Notes

I make rosemary simple syrup by simmering 1 cup water, 1 cup sugar, and 2 fresh rosemary sprigs for 3-5 minutes, then cooling and straining.
The syrup keeps for up to a week in the fridge.
For less sweetness, I cut the syrup back to 0.5 oz.
If I want a stronger rosemary scent, I gently slap the rosemary sprig before garnishing to release the oils.
I use club soda for more bubbles, but sparkling water is fine if that’s all I have.
For a mocktail, I leave out the gin and add more club soda.

Must Have Ingredients

Tasting Notes

When I take a sip of the Rosemary Grapefruit Gin Fizz, the first thing I notice is the bright citrus flavor.

The grapefruit juice gives the cocktail a fresh, tart taste that wakes up my palate.

After the citrus, I pick up the herbal aroma from the rosemary.

The scent is subtle but pleasant. It pairs well with the gin and adds a fresh, green note.

The gin provides a gentle warmth, but it doesn’t overpower the other flavors.

Its botanicals mix smoothly with both the rosemary and grapefruit.

The finish leaves a hint of rosemary on my tongue, while the fizz makes the drink feel light.

For an extra treat, I sometimes garnish with a small sprig of rosemary.

Main sensations I notice:

  • Crisp citrus
  • Gentle herbal touch
  • Light, sparkling texture
  • Balanced sweetness and acidity

Substitute

Sometimes I just don’t have all the original ingredients for a Rosemary Grapefruit Gin Fizz. So, I swap things out to keep the drink easy and tasty.

Here are a few options I’ve tried:

  • Gin substitutes:
    • Vodka — it’s mild and smooth, honestly goes with anything
    • Tequila — brings a bolder kick if you want to mix things up
  • Grapefruit juice substitutes:
    • Orange juice — a bit sweeter and less sharp
    • Lemon-lime soda — adds fizz and a sugary twist
  • Rosemary substitute:
    • Thyme — gives a similar herbal vibe
    • Basil — lighter, fresher, kind of summery
  • Sparkling water substitute:
    • Club soda
    • Tonic water

For equipment and ingredients, here’s what I usually grab if I’m making swaps:

Equipment:

  • Cocktail shaker
  • Jigger or just any measuring cup
  • Glass
  • Strainer (especially if I’m using fresh herbs)

Ingredients:

  • 2 oz gin (or vodka/tequila)
  • 2 oz grapefruit juice (or orange juice/lemon-lime soda)
  • 0.5 oz simple syrup (or honey syrup if that’s what I have)
  • 1 sprig rosemary (or thyme/basil)
  • 2 oz sparkling water (or club soda/tonic water)
  • Ice

Instructions:

  • Fill your shaker with ice.
  • Add the gin, juice, syrup, and whatever herb you’re using.
  • Shake it up and strain into a glass with fresh ice.
  • Top with sparkling water.
  • If you’re feeling fancy, throw on an extra herb sprig for garnish.

Hey there, I’m John Watson—a guy who’s spent over 20 years proving that a good drink can fix just about anything (well, almost anything). Whether it’s cocktails that wow or mocktails that mock boredom, I’m all about crafting sips with stories. Founder of ThirstyTales and full-time drink nerd, I’m here to help you shake things up, one glass at a time. Let’s mix, laugh, and maybe spill a little—cheers to the adventure!

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