How to Make Homemade Sugar Free Coffee Syrup Recipe


Sugar-free syrup is a great way to avoid the sugar content found in regular sugar, but still appreciate a sweet sweet taste that many people desire from a traditional coffee syrup. Our sugar free coffee syrup recipe is made the same as you would make a traditional simple syrup or keto coffee syrup recipe and has the ability to have different flavors added to it. 

We’ve also included our delicious recipe for a sugar-free sugar replacement that won’t overwhelm you with all those aftertastes that some artificial sugars do.

simple syrup in a jar with measuring cup and sugar

And this can be used by more than just coffee lovers enjoyed in homemade lemonades and a variety of drink recipes.

If this is your first time using a sugar free drink alternative, we encourage you to give these new recipes a try for some of the best flavor that’s out there. 

Below you’ll find one of the best recipes for homemade keto friendly and sugar-free vanilla syrup.

After the sugar dissolves, it adds a gentle sweet flavor to any drink. Enjoy making and customizing your own skinny syrup. 

When to Use Sugar Free Coffee Syrup

There are so many options available regarding when to use sugar free coffee syrup. Obviously if you’re a coffee lover who’s on a keto diet or low carb diet, these are a great way to use a small amount of sweetener that you might otherwise be missing. 

As far as the type of drink you can use coffee syrup in, there are so many possibilities that the sky’s the limit. Hot drinks and cold drinks are both enhanced in flavor.

simple syrup step 1

And it doesn’t have to be just coffee drinks that benefit. You can also use it in hot chocolate or your favorite cocktails. 

Skinny syrups are a great addition to any morning coffee, iced coffee, and they’re a perfect way to sweeten favorite drinks that would benefit from a boost of flavor, without affecting blood sugar or your glycemic index in the same way sugar does. 

We have diabetic family members who’ve come to appreciate some of these sugar alternatives that are a perfect addition to any hot coffee.

Sugar Substitutes

If your dietary restrictions require you to eat sugar free, or maybe it’s just a personal preference for a healthier lifestyle, you’ll want to know that there are many artificial sweeteners available on the market that will fulfill the cravings of your sweet tooth and make a great replacement.

If you’re into natural sweetener, these are a great thing too. Monk fruit sweetener is one of the most popular options and also functions as a keto sweetener. 

Don’t be afraid to try a different sweetener if the one you try first isn’t to your liking. And by making it at home, there are so many options available to you compared to coffee shops which might only have one or two options. 

CookThink Sugar Substitute Recipe

2 cups xylitol

1 1/2 cups erythritol

2 teaspoons stevia

Did you know that you can also make brown sugar using this homemade sugar recipe?

Simply add a tablespoon or two of molasses and mix completely until the desired darkness is achieved.

This simple recipe will make some of the best sugar that’s also sugar free. 

simple syrup in a jar edited

Then you can turn around in use it not only as a sugar-free coffee syrup, but save it as a sugar substitute for any recipe that calls for brown sugar.

It will just be a bit sweeter than sugar, so you’ll know that you’ll want to use less of it than you normally would use for regular sugar. 

Sugar Free Coffee Syrup Recipe

Our sugar free coffee syrup recipe is made with simple ingredients that becomes a great liquid sweetener that can be used in your favorite coffee as a keto syrup.


1 cup CookThink sugar substitute recipe from above

1 cup boiling water

1 teaspoon you choice vanilla extract, almond, maple

cinnamon sticks (optional)

Simple Syrup step 3


In a small saucepan over medium heat to high heat, bring water to boil.

Using a whisk, add 1 cup sugar substitute recipe and stir well until dissolved and the sugar mixture is suspended.

Add any flavoring if desired, along with cinnamon sticks. 

Store in a sealed mason jar or airtight container in the refrigerator for use in your favorite coffee drinks. Enjoy. 

How to Store Sugar Free Coffee Syrup Recipe

Immediately after you make your sugar free coffee syrup, you’ll want to store it at room temperature for a bit until it cools.

The best way to keep this recipe is in an airtight container, such as a mason jar with a lid so that it’s sealed. 

Homemade coffee syrups keep well in the refrigerator for up to 2 weeks. And you can also freeze them if desired for a longer storage of up to 2 months. 

Related Ideas:

Caramel Syrup for Coffee Recipe

Simple Syrup Recipe

Substitutes for Maple Syrup

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Sarah is known for her extra fancy yeast breads, melt in your mouth pies, and everything salads. She has won awards as a home cook, and is passionate about helping others feel smarter in the kitchen. Sarah is the cooking genius of the sister duo.

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