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St Germain, Gin and Tonic with Grapefruit

St Germain, Gin and Tonic with Grapefruit

Looking for a quick cocktail to make that tastes AMAZING. This St Germain gin and tonic with grapefruit is just that!

If you are not familiar with St Germain, it is a liquor made from elderflowers and it is a little sweet with great flavor. It tastes so delicious in so many drinks and it makes cocktail making really easy; my husband puts it in almost all his cocktails these days!

Parts to this St Germain gin and tonic with grapefruit-

In this cocktail, I’ve added some fresh grapefruit juice since I like the way the sour notes of grapefruit contrast the sweetness of the St Germain. The gin and tonic part are basically the base or foundation for more elements to be added.

There is a little fizz from the tonic (which does have it’s own flavor) and the gin is a perfect light and smooth alcohol and it does not overpower any of the other flavors. Lastly, I added a few shakes of herbal bitters to this grapefruit juice cocktail just to add a little pungent flavor that I think helps amplify the grapefruit.

If you are not used to working with herbal bitters, it is made from plants and herbs and sold in little bottles the size of a condiment bottle. There are actually different varieties of bitters on the market (some made from citrus) but I used the traditional Angostura bitters made from plants and spices.

It is used for many cocktails (it adds that little something extra to a drink) and it is also used for helping upset stomachs.

I’ve known many bartenders who will give this to you when you don’t feel good. So, if you buy some bitters for your bar area, now you know another use for it that is not for making cocktails!

That is all of it! This drink is really easy to make and this recipe is your helpful guide on how to put it together. It is really hard to screw this one up since all of the ingredients are fantastic no matter what proportions you use.

For more cocktail ideas:

St Germain, Gin and Tonic with Grapefruit

A quick and delicious drink that anyone can make!
Prep Time5 mins
Total Time5 mins
Course: Drinks
Cuisine: American
Servings: 1 drink


  • 1.5 ounces good gin or 1 shot
  • 1.5 ounces St Germain or 1 shot
  • 2 ounces fresh squeezed grapefruit juice or store bought
  • 2 shakes of bitters I use Angostura aromatic bitters
  • 2 ounces of tonic water
  • ice cubes I love using 1 large ice cube for my cocktails but use whatever ice you have on hand


  • In a medium glass add your ice
  • Now add your St Germain, Gin, bitters, grapefruit juice and then tonic
  • Give it a light stir with a cocktail stirrer or spoon
  • enjoy!


This recipe makes one cocktail. For making multiple cocktails, you can use a cocktail shaker or mason jar to save time by adding your ingredients in multiples into the shaker and shake lightly. Pour over ice into your glasses and enjoy.

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