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Easy Sugar-Free Strawberry Syrup Recipe

Sweet and sticky, this Sugar-Free Strawberry Syrup recipe is so easy to throw together! Whip it up in about 5 minutes and allow it to cool, this is such a simple recipe. It’s made with natural ingredients but tastes a little naughty. Perfect for keto or paleo!

A jug of strawberry syrup on a table with strawberries and a white cloth.

❀️ Why you will love this recipe

  • Easy: This recipe is just like my keto simple syrup recipe, but with just one extra step: boiling the strawberries! It’s very simple after that. After removing the strawberry pieces, you just have to mix the sweetener with xanthan gum, add it to the strawberry water, let it simmer, put a lid on it and allow it to cool. You don’t even need to stir!
  • Simple ingredients: For this keto strawberry sauce I used keto pantry staples: sweet strawberries, sweetener, xanthan gum, water, and a little lemon juice.
  • Healthy: This homemade strawberry syrup is a great alternative to regular strawberry syrup because there is no extra sugar or refined sugar added. Making your own syrup means you can also add in fresh fruit which is packed full of healthy vitamins like vitamin C and B9, maganese, potassium, and plenty of antioxidants. Lowering your sugar intake also helps with weight loss meaning you can have as much of this sweet syrup as you like!
  • Tastes great: Especially during strawberry season in the summer when the fresh fruit is at its peak! This simple strawberry syrup has a delightful strawberry flavor with a hint of tanginess and plenty of strawberry sweetness.
  • So versatile: This is a staple in our pantry because it can literally go on anything! It’s the perfect topping for pancakes, waffles, toast instead of store-bought jams, ice cream, yogurt, with other fresh fruit, sugar free cheesecakes, it’s great in drinks, and milkshakes…there are so many ways to use this easy recipe!

πŸ—οΈ Key Ingredients & Substitutions

  • Strawberries: You will need fresh strawberries for this recipe. If you’d like a stronger strawberry flavor, add a few more fresh berries.
  • Sweetener: You can make this delicious strawberry syrup with either granulated erythritol, xylitol, or allulose. If you’re using granulated monkfruit sweetener or stevia, check the ingredients to see what else is in there. Generally, these two ingredients are mixed with erythritol or allulose.
  • Xanthan gum: To make a thick syrup we have to add a keto-friendly thickener. Xanthan gum is the easiest and most low-carb option I’ve found. To make an even thicker syrup, double or triple the amount of xanthan gum.
  • Water: Distilled water is ideal, however, I have used tap water before with no issues.
  • Liquid stevia: If you need this sugar free strawberry sauce recipe to taste even sweeter, add in a few drops of liquid stevia or monk fruit.
  • Lemon juice: Add a squeeze of lemon juice at the end for a little extra tanginess. It’s so scrumptious!
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πŸ₯£ How to make sugar-free strawberry sauce

1. Begin by adding chopped strawberries and water to a small or medium saucepan over high heat.

Strawberries in a pot of water.

2. Bring the saucepan to a boil, lower it to a simmer, and simmer it over medium heat for 20 minutes.

Strawberries boiling in a pot of water.

3. Turn the heat off.

4. With a slotted spoon, remove the strawberry chunks, taking care not to squeeze them. This keeps the syrup nice and clear.

Slotted spoon removing strawberries from water.

5. Measure the amount of strawberry liquid left. It should be about 1 cup, which I measured by pouring the liquid into a cup. A measuring jug is also a great option.

Using erythritol or xylitol

6. Measure how much liquid you have left after removing the strawberries and then measure half of the volume of xylitol or erythritol (e.g. if you have one cup of strawberry water, you will use 1/2 cup of sweetener).

7. Mix the sweetener with xanthan gum. This will prevent the gum from clumping.

8. Carefully add it to the saucepan with the strawberry water. Try not to allow it to stick to the walls of the pot, just the bottom.

9. Bring it up to a simmer. Do not mix – there is no need, and it may cause crystalization later.

10. When the sweetener has dissolved, place the lid on top and boil the keto strawberry syrup for 1 minute.

Lid on to of sugar free simple syrup.

10. Remove it from the heat and allow it to cool completely to room temperature before using or storing it.

11. Add a few drops of liquid stevia and lemon juice if desired to elevate the sweetness.

Using allulose

6. Measure how much liquid you have left after removing the strawberries and then measure an equal volume of allulose (e.g. if you have one cup of strawberry water, you will use 1 cup of sweetener).

7. Mix the allulose with xanthan gum.

8. Add the allulose to the strawberry water.

9. Bring it up to a simmer, mixing it frequently for 4-5 minutes.

Whisk stirring sugar free strawberry syrup

10. Remove it from the heat and allow it to cool completely to room temperature before using or storing it.

11. Add a squeeze of lemon juice to taste, if desired.

A jug of strawberry syrup on a table with strawberries and a white cloth.

πŸ«™ Storage Instructions

  • Xylitol or allulose: Syrup made with this sugar free sweetener can be stored in an airtight container in the fridge for up to 2 weeks.
  • Erythritol: Strawberry syrup made with erythritol needs to be kept at room temperature because it will crystalize if it’s put in the fridge. Store it in an airtight container and use it up within 2-3 days.

πŸͺ„ Recipe Notes & Tips

  • Strain gently: If you’d like a nice, clear syrup I recommend straining it gently with a fine sieve or removing the strawberries with a slotted spoon and discarding them. If you try to squeeze out every last drop of liquid using something like a potato masher, the sugar free strawberry syrup will become quite cloudy instead of clear.
  • Don’t refrigerate erythritol: Keto syrups made out of erythritol are notorious for crystallizing. Keep an erythritol-based syrup out of the fridge or any cold area. A comfortable room temperature is best.
  • Leftover strawberries: I hate to see anything go to waste! The leftover strawberry chunks can be blended or mashed into a strawberry puree. Add a little of the syrup you just made and serve it with yogurt. So tasty!
  • Chunky sauce: Alternatively, you can leave the strawberries in the pot to make a chunky homemade strawberry sauce! This is very tasty with pancakes.

πŸ“ How to use this keto homemade syrup recipe

  • Strawberry milk
  • Strawberry latte
  • Keto Ice Cream Sundae
  • Low Carb Cheesecake
  • Poured over keto pancakes
  • To cold teas or iced tea to make strawberry iced tea
  • French toast
  • Strawberry Martini

πŸ˜‹ More healthy treats you will love

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πŸ“– Recipe

A jug of strawberry syrup on a table with strawberries and a white cloth.

Homemade Sugar-Free Strawberry Syrup Recipe

Bethany Galloway
Sweet and sticky, this Sugar Free Strawberry Syrup recipe is so easy to throw together! Whip it up in about 5 minutes and allow it to cool, this is such a simple recipe. It's made with natural ingredients but tastes a little naughty. Perfect for keto or paleo!
5 from 4 votes
Prep Time 2 minutes
Cook Time 20 minutes
Total Time 22 minutes
Course Keto
Cuisine American
Servings 1 .5 cups
Calories 11 kcal

Ingredients
  

  • 16 medium strawberries chopped (about 2 cups)
  • 2 cups 475ml water
  • 1/2 cup erythritol or xylotil OR 1 cup allulose
  • 1/8 teaspoon xanthan gum
  • A squeeze of fresh lemon juice optional
  • 10-15 drops liquid stevia optional

Instructions
 

  • Begin by adding chopped strawberries and water to a small or medium saucepan over high heat.
    Strawberries in a pot of water.
  • Bring the saucepan to a boil, lower it to a simmer, and simmer it over medium heat for 20 minutes.
    Strawberries boiling in a pot of water.
  • Turn the heat off.
  • With a slotted spoon, remove the strawberry chunks, taking care not to squeeze them. This keeps the syrup nice and clear.
    Slotted spoon removing strawberries from water.
  • Measure the amount of strawberry liquid left. It should be about 1 cup, which I measured by pouring the liquid into a cup. A measuring jug is also a great option.

Using erythritol or xylitol

  • Measure how much liquid you have left after removing the strawberries and then measure half of the volume of xylitol or erythritol (e.g. if you have one cup of strawberry water, you will use 1/2 cup of sweetener). (See note 1)
  • Mix the sweetener with xanthan gum.
  • Carefully add it to the saucepan with the strawberry water. Try not to allow it to stick to the walls of the pot, just the bottom.
    Sweetener in a pot of strawberry water.
  • Bring it up to a simmer. Do not mix – there is no need, and it may cause crystalization later.
  • When the sweetener has dissolved, place the lid on top and boil the keto strawberry syrup for 1 minute.
    Lid on to of sugar free simple syrup.
  • Remove it from the heat and allow it to cool completely to room temperature before using or storing it.
  • Add a few drops of liquid stevia and a squeeze of lemon juice to taste, if desired to elevate the sweetness.

Using allulose

  • Measure how much liquid you have left after removing the strawberries and then measure an equal volume of allulose (e.g. if you have one cup of strawberry water, you will use 1 cup of sweetener). (See note 1)
  • Mix the allulose with xanthan gum.
  • Add the allulose to the strawberry water.
  • Bring it up to a simmer, mixing it frequently for 4-5 minutes.
    Whisk stirring sugar free strawberry syrup
  • Remove it from the heat and allow it to cool completely to room temperature before using or storing it.
  • Add a squeeze of lemon juice if desired.

Notes

  1. Amount of sweetener: The amount of sweetener used depends on the amount of water left after boiling the strawberries. The general rule is: Allulose – 1:1, Xylitol or erythritol – 2:1 (water:sweetener).
  2. Mixing xanthan gum with sweetener reduces clumping later.
  3. Strain gently: If you'd like a nice, clear syrup I recommend straining it gently with a fine sieve or removing the strawberries with a slotted spoon and discarding them. If you try to squeeze out every last drop of liquid using something like a potato masher, the sugar free strawberry syrup will become quite cloudy instead of clear.
  4. Don't refrigerate erythritol: keto syrups made out of erythritol are notorious for crystalizing. Keep an erythritol-based syrup our of the fridge or any cold area. A comfortable room temperature is best.
  5. Leftover strawberries: I hate to see anything go to waste! The leftover strawberry chunks can be blended or mashed into a strawberry puree. Add a little of the syrup you just made and serve it with yogurt. So tasty!
  6. Chunky sauce: Alternatively, you can leave the strawberries in the pot to make a chunky homemade strawberry sauce! This is very tasty with pancakes.

Storage instructions

  • Xylitol or allulose: Syrup made with this sugar free sweetener can be stored in an airtight container in the fridge for up to 2 weeks.
  • Erythritol: Strawberry syrup made with erythritol needs to be kept at room temperature because it will crystalize if it's put in the fridge. Store it in an airtight container and use it up within 2-3 days.

Nutrition

Serving: 1gCalories: 11kcalCarbohydrates: 3gSodium: 7mgSugar: 1g
Keyword breakfast, dessert, drinks, healthy, healthy treat, keto syrup, low calorie, maple syrup, no sugar, syrup
Tried this recipe?Let us know how it was!

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One Comment

  1. 5 stars
    This was so easy to make and tasted delicious! I love that it had real strawberries and not flavoring.

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