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Rosemary Simple Syrup

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Last Updated on June 6, 2023 by Leah Hall

Check out this herbal rosemary simple syrup, that is perfect in cocktails and mocktails!


In the course of making cocktails, we try to make a lot of our own ingredients from scratch. One of our favorites to make is a simple syrup. Classic Simple Syrup can be an integral part of a cocktail, by adding sweetness and flavor to make the drink just right. We have made a lot of simple syrups out of herbs, fruit and other sugars.

Rosemary Simple Syrup in a glass, wooden sugar bowl and rosemary sprigs

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Simple Syrup

Our favorites though, are the herbal ones. They add that extra ingredient to our drinks that we enjoy, such as sage, rosemary and Mint Infused Simple Syrup. This rosemary simple syrup is something we add to a lot of our drinks, as both of us like rosemary very much.


We have used it in such cocktails as Rosemary’s Pear, The French Tart and the Rio Rose. Simple syrups can be infused with anything you can think of, so use your imagination and come up with your own unique flavors!


What Ingredients are Needed for the Rosemary Simple Syrup?

  • Water
  • Sugar
  • Rosemary Sprigs


Simple syrups don’t just have to be used in cocktails, they can also be used in mocktails, kid’s drinks, make sorbet and even use in baking! It is a very versatile ingredient. Here is our rosemary simple syrup for you to try!

Can Simple Syrups go bad?

They can get moldy if they sit too long. We encourage you to store it in the fridge in a jar or bottle, but for no more than two weeks. We actually have a whole shelf of simple syrups in our fridge at any given time!


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Like this recipe? Try these below, too!

Sage Simple Syrup


Mint Simple SyrupMint Simple Syrup

Here are our favorite bottles for simple syrup! The little wood bowls as well!


Rosemary Cocktails

Rosemary Simple Syrup in jar, wooden spoon and bowl with sugar. rosemary sprigs and flowers behind
Yield: 1

Rosemary Simple Syrup

Prep Time: 10 minutes
Cook Time: 10 minutes
Total Time: 20 minutes

This fragrant simple syrup is one of our favorites!


Rosemary Simple Syrup

  • 1 cup sugar
  • 1 cup water
  • 4-6 rosemary spears


Bring the water to a boil.

Add sugar, stir to dissolve.

Add the rosemary spears, let the infusion boil for 60 seconds.

Remove pan from heat and let steep for 30 minutes-1 hour depending how strong you would like it.

Pour the cooled syrup through a mesh strainer into an airtight container, preferably glass.

This may be stored in the fridge for up to 2 weeks.

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Nutrition Information:



Serving Size:


Amount Per Serving: Calories: 94Total Fat: 0gSaturated Fat: 0gTrans Fat: 0gUnsaturated Fat: 0gCholesterol: 0mgSodium: 0mgCarbohydrates: 25gFiber: 0gSugar: 25gProtein: 0g

Did you make this recipe?

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21 Easy Simple Syrup Recipes: A Collection of Variations to Combine With Mocktails | Sober Bars Finder

Friday 14th of April 2023

[…] rosemary simple syrup from The Gastronom can often be added to drinks, including non-alcoholic Rosemary’s Pear, French Tart, and Rio […]


Monday 29th of August 2022

Can this be frozen?

The Noms

Monday 29th of August 2022

Yes, it can! You can freeze the whole batch in a jar if you like, or other container. Or, if you want smaller portions, you can freeze it in an ice cube tray and then those ice cubes in a ziplock bag should keep for around 6-8 months. Cheers!


Tuesday 12th of September 2017

Perfection! Loved this! I made a wonderful sangria with white wine, fresh squeezed grapefruit juice, lemon, and this rosemary simple syrup! Garnished it with a sprig of rosemary and a lemon wedge and it was beautiful!

The 'Noms.

Tuesday 12th of September 2017

That sangria sounds so delicious, Alexandra! I will have to make it! Cheers!


Thursday 23rd of March 2017

I started out doing half the recipe (1 cup water, 1 cup sugar, 2 rosemary). It wasn't quite right so I added half a cup of sugar and 1 more rosemary, let it sit covered for an hour and it was good, but the rosemary wasn't as strong as I had hoped. Probably will do 1 cup water, 1.5 cup sugar, 4 rosemary next time!! :)

The 'Noms.

Wednesday 29th of March 2017

That recipe is definitely rich simple syrup (when you add more sugar than water), but it sounds as if you are on the right track. Feel free to add as much rosemary as you want and keep the sugar/water ratio the same, and that should give you a better rosemary flavor.


Wednesday 9th of March 2016

Oh my goodness. I adore rosemary and I will definitely have to make this! I won't have a kitchen for a while since my husband's job is requiring us to move around and live out of hotels for the next few years, but once I settle down, I will have to give this a try. Thank you!

The 'Noms.

Thursday 10th of March 2016

Save it for later, and I hope that your travels go well!

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