How To Prevent Crystallization in Sugar-Free Simple Syrup | Lakanto (2024)

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Have you ever made sugar-free simple syrup from scratch to later find shiny crystals at the bottom of the jar staring back at you? It can be really frustrating, especially after all the hard work of making it and the sweet anticipation of using it later. Don’t fret, we have answers and we’re here to help!

How To Prevent Crystallization in Sugar-Free Simple Syrup | Lakanto (1)

Crystallization in simple syrup happens when erythritol recrystallizes under certain circ*mstances.

How To Prevent Crystallization in Sugar-Free Simple Syrup | Lakanto (2)

Crystals found at the bottom of homemade simple syrup can appear within an hour after being made if the 2:1 water to sweetener ratio isn't followed, or if placed in the fridge.

In case you haven’t heard, we do sell Sugar-Free Simple Syrups that take all the work out of making your own (they come in three flavors: Original, Vanilla, and Caramel, and they're awesome!) but in case you don't have them and you need something now, we’ll share all the tips and tricks on how to make your own when using Lakanto Monkfruit Sweeteners!

What is Simple Syrup? Syrup used to sweeten drinks, originally made with water + sugar. As you can tell it's pretty easy, which is how it got the name “simple syrup.” The only difference in our syrup is that it’s sugar-free, so we use Lakanto Monkfruit Sweeteners in place of sugar.

The secrets to avoiding crystallization in home-made, sugar-free simple syrup

The 2:1 ratio. There has to be twice as much water than sweetener or else the erythritol in the sweetener will crystallize. Just remember: 2 parts water, 1 part Monkfruit Sweetener. For the specific recipe, see next section.

Don’t put it in the fridge! When the sweetener goes through extreme temperature changes (heated up to dissolve it and then cooled down past room temperature) it crystallizes.

Don’t overheat the water and sweetener past what’s necessary. 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.

Using Xanthan Gum as a thickening agent to achieve a syrup consistency also helped prevent crystallization to a minor degree, but isn’t necessary if the 2:1 ratio is followed and it’s left at room temperature.

Final Notes:

  • Only make enough simple syrup that will be used within a couple days. We don’t recommend making big batches for future uses because this syrup can’t be refrigerated.
  • To avoid contamination, store the simple syrup in an airtight container or cover with plastic wrap.

Sugar-Free Simple Syrup Recipe

  • 1/3 cup Lakanto Classic Monkfruit Sweetener
  • 2/3 cup distilled water
  • optional: 1/8 tsp xanthan gum (if a syrup texture is desired)
  • optional: flavor extract of choice

How To Prevent Crystallization in Sugar-Free Simple Syrup | Lakanto (3)

How to Make Sugar-Free Simple Syrup

  1. Add water and Lakanto Classic Monkfruit Sweetener to a saucepan on the stove and turn to medium heat. Stir with a latex covered whisk or wooden spoon until it's dissolved (should only be a few minutes). The hottest it should get until dissolving is about 115 F. Once dissolved, remove from heat.
  2. If a syrup viscosity is desired, add xanthan gum and stir. Stir in flavor extract next- be careful of tasting it at this point since the syrup is hot, or wait until it has more fully cooled to add flavoring.
  3. Once cooled at room temperature your simple syrup is ready to mix in with other drinks!
  4. If not using immediately, store simple syrup in a covered mason jar at room temperature and use within a few days.

Recipe Notes:

  • Don't place the jar of simple syrup in a fridge or else it will crystallize. On the other hand, once the simple syrup is mixed into a drink, it’s ok to place the drink in the fridge because therewill be an even higher ratio to water.
  • Using distilled water will help the simple syrup not crystallize since minerals and impurities can trigger the sweetener to do so. It's not necessary to use distilled water, but if you find crystals in your simple syrup later, this can be a good thing to try.
  • If looking to make large quantities of simple syrup, the general recipe is 2 parts water, 1 part Lakanto Classic Sweetener.

Now that you know how to avoid crystallization in simple syrup, check out our other resources: A Complete Guide to Monkfruit Sweeteners, download our Lakanto Baking Guide, or peruse all our Baking Tip articles!

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      Can I heat it in the microwave?

      WHERE ARE THE CHOCOLATE SWEETENING DROPS?

      How To Prevent Crystallization in Sugar-Free Simple Syrup | Lakanto (2024)

      FAQs

      How To Prevent Crystallization in Sugar-Free Simple Syrup | Lakanto? ›

      The secrets to avoiding crystallization in home-made, sugar-free simple syrup. The 2:1 ratio. There has to be twice as much water than sweetener or else the erythritol in the sweetener will crystallize.

      How to keep sugar free syrup from crystallizing? ›

      The secrets to avoiding crystallization in home-made, sugar-free simple syrup. The 2:1 ratio. There has to be twice as much water than sweetener or else the erythritol in the sweetener will crystallize.

      How to make simple syrup that doesn't crystallize? ›

      There are a couple of things you can do to prevent sugar crystallising. You can add some glucose syrup, or you can 'invert' the sugar by adding some acid, namely cream of tartar. Both should be readily available, online if not at your supermarket.

      How can you avoid crystallization when cooking sugar syrup? ›

      Keeping the lid ajar will allow some steam to escape as the sugar continues to cook. Add a little acid (such as a touch of lemon juice) or corn syrup to the sugar-water mixture before cooking; they help interfere with crystallization.

      What is added to avoid crystallization of syrup? ›

      Adding small amount of maltodextrin or high fructose syrup has no influence on the quality of the high fructose syrup and can reduce the crystallization tendency obviously.

      Can you fix crystallized simple syrup? ›

      Things You Should Know

      Bring the sugar and water mixture to a simmer rather than a full boil. Beforehand, stir and dissolve the sugar into the water before heating it. To fix crystallized syrup, add more water and return the mixture to a boil, or set the container in a bowl of warm water.

      How do you store sugar free syrup? ›

      Store in a cool, dry place. Shake well before use. Refrigerate after opening.

      How do you stabilize simple syrup? ›

      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.

      Is syrup still good if it crystallizes? ›

      It is still good. That cloudiness and crystallization you speak of is the sugar in the syrup turning to crystal due to a low acid content in the syrup. You can prevent it from crystallizing further by adding a little cream of tartar to the syrup and stirring it in.

      How do you get crystals out of syrup? ›

      To melt the lumps of sugar and return them to a liquid state, place your container of maple syrup in a pot of simmering water. Add 1 to 2 tsp (5 to 10 ml) of water to the syrup container per 1 cup (250 ml) of syrup and heat gently. You can also do this step in the microwave.

      What 3 ingredients can help interfere with crystallization? ›

      Interfering agents (e.g., cream of tartar, lemon juice, corn syrup, molasses, or vinegar) are added to sugar syrup mixtures to prevent the formation of large crystals.

      How do we control sugar crystallization? ›

      Acids can also be added to “invert” the sugar, and to prevent or slow down crystallization. Fats added to certain confectionary items will have a similar effect. When boiling sugar for any application, the formation of crystals is generally not desired.

      How do you remove crystals from sugar syrup? ›

      To get it out, we put water in each jar, and microwaved it for a minute or so, swishing it around and dumping it in the next jar. Once the jars were clear of hard sugar, add the water to the syrup, heat it up and adjust density, then re-can it.

      What stops crystallization? ›

      Crystallization may be prevented by adding an interferent, such as acid (lemon, vinegar, tartaric, etc.) or glucose or corn syrup, during the boiling procedure.

      What sugar substitute doesn t crystallize? ›

      Allulose is about 70% as sweet as white table sugar with only 10% of the calories (2). It's becoming increasingly popular in baked goods because it doesn't crystallize like other sugar substitutes like the sugar alcohols erythritol or xylitol, but still has the sweet taste you're looking for.

      How do you stabilize sugar syrup? ›

      Use 1 to 3 tablespoons of corn syrup in every batch of simple syrup to stabilize it and keep it smooth. The corn syrup won't add any extra flavors, keeping your syrup versatile. Stabilized simple syrup stays at its best for longer, but any syrup can grow bacteria if improperly stored.

      What is a substitute for corn syrup to prevent crystallization? ›

      Brown rice syrup is one of the best substitutes for corn syrup. Brown rice syrup's Brix level is at 78, making it almost at the same sweetness level as corn syrup's 77. Brown rice syrup also prevents crystalization and can withstand candy-making temperatures.

      How to prevent crystals in maple syrup? ›

      Maple Syrup Crystals

      Hot water can help with that. You can resolve the crystallization issue by re-boiling the maple syrup and adding some water to bring the sugar content back to the correct range.

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