Easy Low Carb Keto Strawberry Syrup Sauce Topping

This easy low carb keto strawberry sauce syrup is a delightful way to enjoy strawberries without added sugars. Just 3 simple ingredients for a luscious, glossy keto sauce with fresh strawberry flavor that’s perfect for pancakes, ice cream, or even cottage cheese or yogurt. Plus, it’s ready in 5 minutes! 

Low Carb Strawberry Sauce

When strawberry season is here, making your own syrup with all natural ingredients, no sugar alcohol, or gums, and tastes delicious on so many things. It’s quicker than than you think and needs just basic ingredients you probably already have in your kitchen.

If you’re on a ketogenic diet or just watching your sugar intake, this will be a great addition to all your baked goodies or just to top on low carb pancakes, waffles or yogurt! 

Just 1 gram of net carbs per serving to enjoy over any keto dessert you want! Printable recipe card is at the bottom of the page with all nutritional information.

Why you will love this recipe

Low carb and keto-friendly.
This easy recipe for strawberry syrup skips the regular sugar but keeps all the bright, fruity strawberry flavor as the star of the show. It’s a sweet treat that fits comfortably within a low carb or keto diet, so you don’t have to compromise on taste.

Quick and easy to prepare.
With just a handful of ingredients and minimal cooking time, this syrup comes together fast. Even if you’re not used to making your own toppings, you’ll find this recipe approachable and stress-free.

Versatile topping for many dishes.
Whether you drizzle it over pancakes, swirl it into sugar free cheesecakes, or spoon it on ice cream, this strawberry syrup adds a fresh pop of flavor. It’s a smart way to dress up simple desserts and breakfast favorites.

Simple Ingredients and Substitutions

Strawberries

Fresh strawberries are key for that vibrant, natural flavor and color. If fresh aren’t in season, you can use frozen berries, just thaw and drain excess liquid before cooking.

Lemon juice

A splash of lemon juice brightens the flavors and balances the sweetness naturally. If you don’t have lemon, a bit of apple cider vinegar or lime juice works well too.

Low Carb Sweetener

Allulose is used for this recipe since it works well to keep the sauce syrup from crystalizing once refrigerated. You can use either liquid or confectioners. If you don’t have that or can’t buy that where you live, try making my Keto Simple Syrup recipe to use in place of it.

What To Serve With Quick Strawberry Sauce

Keto Pancakes and waffles
Drizzling this syrup over low carb pancakes or waffles is a perfect way to start the day with a fruity boost.

Keto cheesecake
Use the sauce as a topping on your favorite keto cheesecake for an elegant and fresh-flavored dessert.

Greek yogurt or cottage cheese
Mix the syrup into creamy Greek yogurt or cottage cheese for a sweet and tangy snack or breakfast.

Sugar-free ice cream
Add a spoonful over sugar-free or low carb ice cream to enhance its flavor without extra carbs.

Pro Chef Tips

#1 Use ripe strawberries
For the best flavor, pick strawberries that are fully ripe and fragrant. Underripe berries can make the syrup taste a bit tart or bland, so don’t be shy about giving them a sniff in the market.

#2 Stir continuously while simmering
Keep the sauce moving gently with a spoon while it simmers to prevent burning on the bottom. This also helps the syrup thicken evenly and keeps the texture silky smooth.

#3 Adjust sweetness gradually
Start with less sweetener and taste as you go. Everyone’s sweetness preference is different, and it’s easier to add more than to fix a sauce that’s too sweet.

#4 Cool before serving
Let the sauce cool slightly before serving—it will thicken more as it cools, and the flavors meld together into something truly special.

#5 Store in a jar
Pour your finished sauce into a clean glass jar with a tight lid and keep it refrigerated. It lasts well for about a week—handy for quick desserts or breakfast treats all week long.

Equipment:  

Small saucepan
Wooden spoon
Measuring cups and spoons
Small Mason Glass jar or container for storage  

Recipe Variations

Add vanilla. A splash of vanilla extract at the end of cooking adds a cozy warmth to the strawberry syrup, making it an even more luxurious topping.

Berry mix. Try mixing in other low carb berries like raspberries or blackberries for a more complex flavor profile.

Thicker syrup. To get an extra thick syrup, simmer it a bit longer or add a touch more xanthan gum gradually until it reaches your desired consistency.

Sparkling twist. Add a splash of sparkling water to the syrup right before serving for a fun, fizzy topping that’s perfect on cream cheese or ricotta.

Honey-flavored. Use a keto-friendly honey substitute or a few drops of honey extract to mimic that familiar honey undertone without the sugar spike.

Flavor Variations

Fresh mint leaves
Adding finely chopped fresh mint leaves just before serving gives a fresh herbal note that brightens the strawberries beautifully.

Cinnamon
A pinch of cinnamon stirred into the syrup during cooking adds warmth and a subtle spice that pairs wonderfully with the fruitiness.

Balsamic vinegar
A small splash of high-quality balsamic vinegar deepens the flavor, offering a tangy-sweet complexity that’s surprising and delightful.

Almond extract
Just a drop of almond extract paired with the strawberries adds a nutty aroma that enhances the overall flavor, especially on breakfast dishes.

Troubleshooting Common Problems with this Recipe

​Syrup too thin

If your syrup turns out too runny, continue simmering it on low heat to reduce the water content. Adding a tiny pinch of xanthan gum for a thicker consistency without altering flavor.

Syrup too thick or gummy

If you add any thickening agents like xanthan gum, (I don’t think you need it) the syrup can become gummy. Simply stir in a small amount of water to loosen it up until you reach the perfect consistency.

Strawberries taste bland

Make sure to use ripe, real strawberries—their natural sweetness is essential. If needed, add a little more sweetener or a splash of lemon juice to enhance the flavor.

Syrup crystallizes in the fridge

Keto sweeteners like erythritol can crystallize when cooled that’s why I recommend Allulose. Give your syrup a quick stir or warm it gently before use to smooth it back out. 

Flavor too tart

If the syrup is too tart for your liking, add a bit more sweetener gradually while simmering, tasting as you go to find your perfect balance.

Freezing & Storing Leftovers

​Freezing:

Pour leftover strawberry syrup into an airtight container or freezer-safe container and freeze for up to 2 months. Thaw in the refrigerator overnight and stir well before serving to bring back its smooth texture.

Storing:

Keep the syrup refrigerated in a sealed jar for about 5 to 7 days. Stir before each use, as natural separation may occur but will not affect the flavor

Can I use frozen strawberries for this recipe?

Yes, frozen strawberries work well if fresh aren’t available. Just thaw and drain excess juice before cooking to avoid a watery syrup.

Is this syrup suitable for diabetics?

Because it uses keto-friendly sweeteners instead of sugar, this syrup is a better option for those managing blood sugar, but always consult with a healthcare provider about your personal diet.

Can I add other fruits to the syrup?

Absolutely, fresh fruit like low carb berries like raspberries and blackberries blend in beautifully and provide a different flavor twist.

How long does this syrup keep in the refrigerator?

Stored properly in an airtight jar, it stays fresh for about a week. Always check for any signs of spoilage before use.

Can this syrup be used in baking?

Yes, use it as a filling or drizzle for keto-friendly baked goods, but note the cooking times might affect its texture and moisture.

Best Keto Desserts to Top with Strawberry Sauce

Keto vanilla custard
Pair the syrup with a smooth keto vanilla custard for a luscious, creamy dessert that complements the strawberry brightness.

Keto Chocolate mousse
Rich, velvety chocolate mousse and this fruity syrup provide a fantastic contrast between dark and light flavors.

Low Carb Panna Cotta
The syrup’s fresh, tangy notes add a lovely balance to the silky texture of panna cotta.

Low Carb Crustless Cheesecake
Use as a topping on cheesecake for an indulgent, keto-friendly treat with an extra fruity punch.

Easy Low Carb Keto Sugar Free Strawberry Sauce Recipe