How to Store Simple Syrup (2024)

Simple syrup is one of the easiest ingredients to whip up at home, but how do you store it so it stays fresh and tasting great?

Let’s dive into syrup storage, shelf life, and how you can help your homemade syrups last as long as possible.

How to Store Simple Syrup (1)

Tips to keep your syrup fresher for longer

If you’re like me, you make and use up a lot of small batches of flavored simple syrups whenever you’re in the mood to try a new drink or upgrade your morning coffee.

If you’re not like me, you might like to make one big batch of simple syrup and keep it on hand for a good long time for sweetening your coffee, tea, or co*cktails.

No matter whether you use up your syrup in days or weeks, it’s always a good idea to start with super clean syrup making supplies and a clean (or better yet, sterilized) jar or bottle for storage.

How to Store Simple Syrup (2)

You absolutely do not have to boil simple syrup. However, if you pour an equal measure of boiling water over your measure of sugar, you will help to kill off any little lingering nasties that want to turn your syrup south too quickly.

It goes without saying, but use quality, good-tasting water for your syrups. Go with distilled water if you’re really concerned about premature spoilage.

The best simple syrup storage containers

The very best container for simple syrup is a glass jar or bottle. Avoid plastics which can retain food odors and affect the flavor of your syrup.

I love 8oz Boston round style apothecary bottles for small batches, or larger swing-top bottles and mason jars for bigger batches.

How to Store Simple Syrup (3)

If you’re making bigger batches of syrup, you definitely want to go with a container that’s easy to pour from. Amazon has a ton of great glass storage options in a huge range of sizes.

Always store your syrup in the fridge – or freezer!

Simple syrup doesn’t contain enough sugar to preserve it for very long. Its water content makes it a breeding ground for all kinds of undesirables, so it’s a must to keep it refrigerated.

Note that rich simple syrup, which contains twice as much sugar, will last for longer. It still should be refrigerated, but you’ll notice that its shelf life is much greater than basic 1:1 simple syrup.

If you have the storage space, you can absolutely store your simple syrup in the freezer! Its sugar content will keep it from freezing solid and the ice cold temp will keep your syrup in excellent condition for months.

Keep in mind that if you do opt to store your syrup in the freezer, a clean, new plastic container may be a better option than glass. If you want to go with glass, be sure that it’s tempered.

How long does simple syrup last?

In general, a basic syrup with 1 part sugar and 1 part water will last around 2 weeks in the fridge. Rich simple syrup (2 parts sugar to 1 part water) stored in the fridge will last longer, usually for a month or even longer.

How long syrups will last can vary quite a bit, so rather than going by a set time frame, it’s best to learn how to tell when it’s gone bad.

How to know if it’s gone bad

The first sign that simple syrup has gone bad is usually a cloudy appearance at the bottom of the container. When checking your syrup, first lift the container and look at the bottom before pouring any (which will disturb any mold that’s settled on the bottom). It’s usually easy to spot.

Other indicators that simple syrup has gone south are an off taste or aroma. If in doubt, throw it out! You can always whip up another batch in no time.

Simple syrup that lasts forever?

Well, perhaps not forever, but a rich simple syrup stored in the freezer will last pretty much indefinitely! At the least, you should be able to use it all up before it shows any signs of losing freshness.

If you enjoy making simple syrups, you might like my:

  • Simple Syrup Substitutes
  • Vanilla Bean Simple Syrup Recipe
  • How to Make Grenadine
  • Spiced Simple Syrup Recipe
  • How to Make Oleo Saccharum

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How to Store Simple Syrup (2024)

FAQs

How to Store Simple Syrup? ›

If stored incorrectly or for too long it's easy for the sugar and water mixture to grow mold. Store simple syrup in an air-tight container in the refrigerator. In a glass jar, the mixture can stay in the fridge for about a month, or it can also be frozen.

What is the best way to store simple syrup? ›

Simple syrup should be stored in the fridge, and not kept at room temperature for extended periods of time. Unflavored syrup can be made in advance and stored in an airtight container in the fridge for up to a month.

Do you need to refrigerate simple syrup? ›

Simple syrup doesn't contain enough sugar to preserve it for very long. Its water content makes it a breeding ground for all kinds of undesirables, so it's a must to keep it refrigerated. Note that rich simple syrup, which contains twice as much sugar, will last for longer.

How to make homemade simple syrup last longer? ›

Increase the sugar level - Higher sugar levels reduce water availability to microorganisms. Bring your sugar level (brix) up to at least 50. That means equal parts sugar and water by weight (not by volume). Add alcohol – 15% or so of alcohol helps work as a preservative environment; the higher the better.

How long does simple syrup last in a jar? ›

Homemade simple syrup: A hot-processed simple syrup of just sugar and water should last up to 1 month if stored properly. Infused simple syrup: By adding herbs, spices, or fruit you've greatly reduced the shelf life of your simple syrup.

How to prevent mold in simple syrup? ›

Store it in the cleanest bottle you have, which you should always do. If you bottle syrup when it's still hot, the heat will sterilize the inside of the bottle and further prevent mold from growing for a very long time.

How do you keep simple syrup from hardening? ›

Keep your mixture at medium heat when mixing it in a saucepan on the stovetop. It doesn't need to boil. Using distilled water helps crystals from forming, however crystallization still happens if the simple syrup is placed in the fridge or if the 2 parts water to 1 part sweetener ratio isn't followed.

How much vodka is in simple syrup? ›

Rich simple syrup will last up to 6 months in the refrigerator (add 1 tablespoon vodka to the simple syrup to extend the shelf life even longer). It's a more concentrated sugar syrup in a ratio of 2:1 (2 parts sugar to 1 part water). Simmer this for at least 10 minutes to make sure all the sugar crystals dissolve.

How do you know if simple syrup has gone bad? ›

The simple syrup should be clear. A few signs that your simple syrup has gone bad are: Cloudy appearance. Mold has developed.

How to sanitize a bottle for simple syrup? ›

Sterilize your container.

To sterilize a glass container, simply pour boiling water over and into it. Dump out the water just before you add the simple syrup to the container. To sterilize a plastic container, put it in a larger container together with a cup full of water and place it in the microwave.

Why did my simple syrup turn hard? ›

Simple syrup crystallizes when enough of the sugar molecules stick to one another that they become insoluble in the water. In a syrup prepared with a high 2:1 ratio of sugar to water (often referred to as a rich syrup), the chance of sugar molecules clustering and crystallizing is high.

What is the best preservative for simple syrup? ›

Citric Acid is the recommended acid for use with the Sodium Benzoate. However, most other approved food acids such as phosphoric, tartaric and Malic acids will suffice. Simple syrup can be preserved for months by adding 1 ounce of sodium benzoate with ¼ ounce of citric acid, per gallon of simple syrup.

What makes simple syrup shelf stable? ›

Sugar is a natural chemical stabilizer that in this case acts as a preservative for the simple syrup. This just means that you won't have to refrigerate it if you decide to go the shelf stable route. The rule of thumb is a Shelf Stable syrup is 2 Parts Sugar : 1 Part Water.

Where is the best place to store simple syrup? ›

If stored incorrectly or for too long it's easy for the sugar and water mixture to grow mold. Store simple syrup in an air-tight container in the refrigerator. In a glass jar, the mixture can stay in the fridge for about a month, or it can also be frozen.

Does sugar water go bad? ›

Sugar Water Recipe & Tips

Keep extra sugar water in a container in the refrigerator for up to one week, then discard.

Does triple sec need to be refrigerated? ›

Triple sec doesn't need to be refrigerated, nor does your favorite bottle of booze need to be stored in the freezer. Although that will keep it ice cold so it's always ready to serve in a crisp and tasty co*cktail.

Should syrup be stored in the fridge or cabinet? ›

When unopened, you can store hot-packed pure maple syrup for at least a year (or more) in the pantry at room temperature. Once opened, does maple syrup need to be refrigerated if it's the pure variety? Yes, because it's a natural product with no preservatives and can spoil or grow mold.

How to store syrup after opening? ›

Opened syrup should be stored in the refrigerator or freezer, and will last up to two years. If your container is unopened: It is okay to store unopened syrup containers in a pantry. It is best to find a cool, dry location to help your syrup last longer.

How to keep sugar syrup from molding? ›

Next time you make syrup, add a ½ teaspoon of unscented bleach per gallon of sugar water to prevent mold growing inside feeders.

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