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St. Germain Gin and Tonic Cocktail

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If you’re a fan of gin and tonics, shake things up by adding a splash of elderflower liqueur and savor every sip of your St. Germain Gin and Tonic Cocktail! I served these on the 4th of July and they were a HUGE hit!

Two St. Germain Gin and Tonic Cocktails in glasses with a lime garnish

St. Germain Gin and Tonic Cocktail

Are you familiar with St. Germain? Made with fresh, hand-picked elderflower blossoms, it’s an artisan French liqueur sold in a stunning art deco bottle. A few years ago, I stocked my liquor cabinet with this versatile spirit to make some festive Pear Cosmopolitans for my book club.  This Elderflower Sangria also caught my attention.

What is St. Germain?

St. Germain is a French-made 40-proof liqueur made from elderberry blossoms, small, white star-shaped flowers that are harvested only 3 weeks of the year. More popular in Europe, St. Germain has gained fans in the US over the past few years. Sweet and floral, it’s a lovely compliment to both the gin and lime in a gin and tonic. Plus it turns a commonplace cocktail into something extraordinary!

Should You Refrigerate St. Germain?

Since it’s 40-proof and considered hard alcohol, there’s no need to keep an opened bottle in the refrigerator. I like keeping it chilled for a party to ensure the mixed cocktails are nice and cold!

Have you made a St. Germain cocktail? Let me know your favorites!!

St. Germain Gin and Tonic Cocktail in a short glass with lime wedges

Tips for Making a St. Germain Gin and Tonic

If you like the classic gin and tonic, try this twist and you may never go back!! Here are a few tips for making this easy cocktail.

  • I made this St. Germain Gin and Tonic Cocktail with a 1:2 ratio of gin to tonic. If you prefer, you can use a 1:1 ratio.
  • I like my gin and tonics with lime, but you can also use lemon or even orange in place of the lime.
  • Serve this cocktail “on the rocks,” meaning fill the glass with ice, then pour over the gin, St. Germain and tonic water. A squeeze of lime is added before the ice.
  • Use your favorite gin. I used Bombay Sapphire as it was one of my dad’s favorites. Cheap gin doesn’t belong in this cocktail!

More Saint Germain Cocktails You’ll Love:

St. Germain Gin and Tonic Cocktail in a short glass with ice cubes and lime slices


You May Need These to Make a St. Germain Gin and Tonic:

St. Germain Gin and Tonic pinterest text and photo collage
St. Germain Gin and Tonic Cocktail

St. Germain Gin and Tonic Cocktail

A spectacular twist on the classic gin and tonic with a splash of St. Germain liqueur.

Prep Time 5 minutes
Total Time 5 minutes
Yield 1 cocktail


  • 1 wedge of lime (or lemon)
  • 1 1/2 ounces gin
  • 1 ounce St. Germain (elderflower liqueur)
  • 3 ounces tonic water
  • 1 slice or a few thin lime wedges to garnish, optional


  1. Squeeze the lime wedge into a "rocks" glass (short, wide glass). Fill glass with ice.
  2. Add gin, St. Germain and stir. Add tonic water and stir. Garnish with a slice of lime or add 2 or three lime wedges to the glass. Cheers!


I made this cocktail with a 1:2 ratio of gin to tonic. If you prefer, you can use a 1:1 ratio.

I like my gin and tonics with lime, but you can also use lemon or even orange in place of the lime.

Nutrition Information:



Serving Size:


Amount Per Serving: Calories: 168Total Fat: 0gSaturated Fat: 0gTrans Fat: 0gUnsaturated Fat: 0gCholesterol: 0mgSodium: 14mgCarbohydrates: 22gFiber: 4gSugar: 10gProtein: 1g



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35 comments on “St. Germain Gin and Tonic Cocktail”

  1. I never tried St. Germain. This drink will remedy that!

  2. I love how cool and refreshing this looks! I am looking forward to making your recipe. I haven’t used Elderflower liqueur yet, and I am very intrigued!

  3. I’m a big fan of G&Ts and I love this variation.

  4. The G&T has become one of my go-to drinks. Definitely trying your version soon – I have a bottle of St Germain that I’ve been experimenting with, but have yet to find a recipe that I love with it. I’m betting this will be it. 🙂

  5. Been a Long time since I last made cocktails at home. Cool drink, Liz! xoxo

  6. Thick cocktail sounds so refreshing – perfect for summer!

  7. I love gin and tonic…this is speaking to my happy side 🙂 Thank you for sharing this recipe, I am making this Friday for happy hour!

  8. that looks so refreshing I think I will make one for the 4th of July party!

  9. I love this Liz and will definitely try it this week. I’d love to know where you saw the recipe for the Elderflower Sangria. I’d love to make that too!

  10. Love this recipe. I like to muddle a little fresh mint in the glass and add a splash of grapefruit juice. Sometimes substitute with a nice vodka…all else remains as in your recipe.  My only problem is I love elderflower liquor a bit too much so I’ve started used Drilaud Elderfower liquor to save money.  It’ts really delicious.  

  11. I love to make these when I have cocktail parties!

  12. I loved it! Taste really good and refreshing!

  13. St. Germain drinks never disappoint and this one is no exception. So easy to make yet SOOOO good.

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