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How to Make Sugar-Free Caramel Syrup

 
Max. D Gray
By Max. D Gray. Updated: June 21, 2026
How to Make Sugar-Free Caramel Syrup
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To some, the idea of sugar-free caramel is a paradox. To them it's like having oxygen-free water. However, it is perfectly possible to get the same delicious sweet caramel taste without using sugar, the normal (and sole) ingredient of caramel. It can be used in the same way regular caramel is used and the result is a sweet and tasty syrup which is better for you than the high-sugar alternative.

One of the benefits of using sugar-free caramel syrup is that it can be used for people who want a low-sugar, no-sugar or keto diet. To substitute sugar in the recipe, we will use agave syrup. This is a popular sugar substitute which is used in cuisines across the world, especially popular in the Caribbean. It is a plant which has fleshy leaves similar to the aloe plant, with the extracted mucilage coming out in a syrup form. It is also known as agave nectar. Since it contains a low glycemic index, it is a very common substitute for sugar.

The recipe that we bring you is more than quick, it is almost instantaneous. This is because we use a technique which involves using a microwave. It will also surprise you just how similar it is to sugar caramel. Keep reading with oneHOWTO to see how to make sugar-free caramel syrup in the microwave.

10 diners Less than 15 minutes low difficulty

Ingredients:

You may also be interested in: How to make sugar-free meringue

Steps to follow:

1

In a microwave-safe container, add the three ingredients: the agave, water, and baking soda. Stir very well with a spoon until the mixture of homemade liquid sugar-free caramel syrup is completely homogenous. This step is crucial because it ensures that the baking soda is evenly distributed, which helps in achieving the desired consistency. Thorough mixing also prevents any lumps from forming, which could affect the texture of the final syrup.

2

Put the container with the mixture in the microwave at high (800w) for two minutes. The microwave time may vary slightly depending on your appliance's wattage, so it's advisable to monitor the mixture closely. The key is to heat it just enough to activate the baking soda without causing it to boil over.

How to Make Sugar-Free Caramel Syrup - Step 2
3

Take out the heated mixture, stir well again and put it back in the microwave for a few more seconds. This second heating phase helps in deepening the caramelization process, enhancing the syrup's flavor. If you notice any separation of ingredients after the first microwave, this step helps in reincorporating them effectively.

4

After these few seconds, take out the sugar-free caramel syrup mixture and see if the surface of the caramel is bubbling. If not, leave it a few more seconds, but if it is indeed bubbling, it's time to take it out. Bubbling indicates that the syrup has reached the right temperature for caramelization. It should be noted that overheating can lead to a burnt taste, so be cautious during this step.

If you do not have a microwave, you can simply heat the agave syrup mixture in a pan with the water and baking soda. Use a low heat and simmer gently until completely combined. This traditional method might take a bit longer, but it offers more control over the caramelization process.

How to Make Sugar-Free Caramel Syrup - Step 4
5

The caramel is almost ready, you just have to let it cool a little. Cooling thickens the syrup slightly, making it easier to handle. You can use this sugar-free caramel syrup to accompany any sugar-free dessert such as a Baileys crème caramel, some pancakes, or a sponge cake without sugar. In addition to desserts, this syrup can also be a delightful addition to beverages like coffee or tea, providing a sweet touch without the sugar. If you want to know other natural alternatives to sweeten up your dishes, take a look at our article on how to replace white refined sugar.

If you want to read similar articles to How to Make Sugar-Free Caramel Syrup, we recommend you visit our Recipes category.

Tips

  • We recommend that the container you use is high, to prevent the caramel from spilling out and splashing out, since the temperature that the caramel will reach is too high. Using a high-walled container not only prevents spills but also allows the syrup to bubble and expand safely during heating.
  • Also, we must avoid being made of plastic, since this material can spoil the flavor of the caramel when it gets too hot. Glass or ceramic containers are ideal, as they do not interfere with the taste and can withstand high temperatures without deforming or releasing any harmful substances.
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How to Make Sugar-Free Caramel Syrup