Homemade Rosemary Simple Syrup

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This Rosemary Simple Syrup offers an aromatic burst of flavor and subtle sweetness with just 3 ingredients: water, sugar, and fresh rosemary.

» You might also like this Delicious Baked Brie with Garlic and 10 Creative Simple Syrup Recipes.

Rosemary simple syrup in a jar.

Simple syrup is so easy to make and store in the refrigerator until you need it. A 50/50 ratio mixture of sugar and water, dissolved down into liquid form. The addition of different sugars, fruits, vegetables, or herbs can quickly change and enhance the flavor profile of anything you add it to.

Rosemary has a strong, distinctive flavor that is often described as piney and slightly bitter. It is native to the Mediterranean region and is a member of the mint family.

Added to simple syrup it makes an innovative flavor to enhance a wide variety of recipes. Try it in this cucumber rosemary tonic mocktail.

Ingredients You’ll Need

Ingredients for rosemary simple syrup

This simple syrup is made with just three ingredients. The only things you need are:

  • Sugar – Granulated white sugar works best.
  • Water
  • Fresh rosemary – Use a fresh sprig of rosemary.

If you want to cut down on the sugar, you can use a sugar substitute with no carbs and very few calories. I like allulose or Erythritol as a sugar substitute, although both are only about 70% as sweet as sugar, so you’ll have to add a bit more to the mix for the same sweetness.

How to Make Rosemary Simple Syrup

In a pot over medium-high heat, stir together the water, sugar and sprig rosemary until the sugar is fully dissolved. Turn off the heat and let the rosemary steep for about 10 minutes. The longer it steeps the more flavor it will have.

simmering rosemary simple syrup in a saucepan

Remove the pot from the heat and allow the syrup to cool completed. Once the syrup has cooled, pour it through a fine mesh sieve to remove the rosemary. Put it in a container with a tight lid where you can keep it until you’re ready to use it.

How to Store It

After the syrup has cooled completely, you can store in a clean air tight container in the refrigerator for up to 1 month. It might go off sooner than that, so keep an eye on it. It turns cloudy or starts to show signs of mold, you shouldn’t use it.

Rosemary simple syrup in a jar with rosemary sprigs

How to Use Rosemary Simple Syrup

Rosemary simple syrup adds a depth and complexity to a variety of recipes, both in food and beverages. Here are some ideas:

  • Cocktails: Rosemary simple syrup can be used to sweeten cocktails such as gin and tonics, margaritas, and mojitos.
  • Lemonade: Add a splash of rosemary simple syrup to homemade lemonade for a unique twist on a classic drink.
  • Baked goods: Use rosemary simple syrup to sweeten baked goods such as cakes, cookies, and muffins.
  • Salad dressings: Mix rosemary simple syrup with olive oil and vinegar to create a flavorful salad dressing.
  • Glazes: Brush rosemary simple syrup onto grilled or roasted meats, fish, or vegetables for a sweet and savory glaze.
  • Marinades: Use rosemary simple syrup as a base for marinades for chicken, pork, or beef.
  • Tea: Add a spoonful of rosemary simple syrup to a cup of hot tea for a soothing and sweet beverage.

These are just a few ideas – feel free to get creative and experiment with using rosemary simple syrup in your favorite recipes!

A drink using rosemary simple syrup

Frequently Asked Questions

Does rosemary simple syrup go bad?

Like any food product, rosemary simple syrup will go bad over time. If stored properly it can last for up to a month in the refrigerator. Signs that your simple syrup has gone bad include a change in color, a sour or off odor, or the presence of mold. If you notice any of these signs, it is best to discard the syrup.

Does rosemary simple syrup need to be refrigerated?

Yes. To maximize the shelf life and inhibit bacterial growth, we recommend you refrigerate simple syrup. By refrigerating simple syrup, you can maintain its quality and ensure its freshness for an extended period.

Can I use dried rosemary instead of fresh?

For this recipe using fresh rosemary is best, but if it’s not available you can use dried. Use 1 teaspoon in place of 1 sprig of fresh rosemary.

Before You Go

Since you made it to the bottom of this post, you must be interested in making your own simple syrup, so we invite you to click to one of our other simple syrup recipes to continue your journey:


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A drink using rosemary simple syrup
Yield: 8 Servings

Homemade Rosemary Simple Syrup

Prep Time: 1 minute
Cook Time: 10 minutes
Additional Time: 20 minutes
Total Time: 31 minutes

This Rosemary Simple Syrup offers an aromatic burst of flavor and subtle sweetness with just 3 ingredients: water, sugar, and fresh rosemary.


  • 1 sprig Rosemary
  • 1 cup sugar
  • 1 cup water


  1. Combine the rosemary, sugar and water in a pot over medium heat. Stir until the sugar has dissolved. Turn off the heat and let the rosemary steep for about 10 minutes (longer for a stronger flavor). Remove from the heat and let cool completely.
  2. Strain through a fine mesh sieve. Store in an airtight jar for up to 1 month in the refrigerator.

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