This Homemade Keto Sugar Free Blueberry Jam is perfect for those on a keto diet or looking to reduce their added sugar intake. Made with simple ingredients, this jam is a great way to enjoy the natural sweetness of blueberries without the carbs. Whether you’re new to making keto recipes or a seasoned pro, this easy blueberry jam recipe is sure to become a favorite. Let’s get started with this keto jam recipe!

I love making homemade blueberry jam during the berry season because it allows me to control the ingredients and avoid artificial sweeteners. This sugar-free blueberry jam is inspired by my desire to enjoy homemade blueberry jam without the guilt. It’s perfect for spreading on low carb bread, mixing into yogurt, or topping ice cream. Plus, it’s a good option for those who want to avoid traditional jam recipes that are high in sugar.
If you’d like to see how I made this recipe, check out my quick YouTube video for helpful process shots and tips!
Ingredients
- fresh blueberries
- Swerve (or your favorite sweetener of your choice)
- water
- lemon zest
Instructions
- In a small saucepan over medium heat, add the blueberries, Swerve, water, and lemon zest.
- Bring to a boil, then reduce the heat and simmer for about 10 minutes.
- Stir occasionally until the blueberries are soft and the sauce is thickened.
- You can use a potato masher to mash the blueberries to your desired consistency.
- Some recipes call for xanthan gum or other thickeners. However, if you simmer it on medium heat, it will thicken on its own.
- Remove from heat and let the jam cool.
- Transfer the jam to a clean jar and store in the refrigerator.
Recipe Tips
- For a smoother jam, blend the blueberries in a food processor before cooking.
- Add a tiny bit of xanthan gum to thicken the jam if needed.
- Use a clean spoon each time you scoop out the jam to prevent the growth of bacteria.
Ingredient Swaps
- Substitute monk fruit sweetener for Swerve if you prefer.
- Add a little lemon juice for extra tanginess.
- Use frozen blueberries if fresh ones are not available.
Storage
Store the jam in a mason jar or any clean jar in the refrigerator. It will keep for 2-3 weeks. For longer storage, freeze the jam in ice cube trays and transfer to a freezer-safe container.

Conclusion
This keto blueberry jam is a delicious jam that’s easy to make with minimal effort. Using natural sweetener like Swerve, you can enjoy the natural sugar of blueberries without the extra carbs.
This healthy blueberry jam is perfect for spreading on English muffins, mixing into peanut butter, or topping your favorite keto desserts.
Making homemade jam means you control the ingredient list, ensuring there’s less sugar and no artificial sweeteners. Store your jam in a cool dark place or in the refrigerator for the best shelf life. For longer storage, consider making a freezer jam.
Enjoy this yummy jam on your low carb bread or as a topping for ice cream. It’s a great way to enjoy fresh jams with zero calories from added sugars.
FAQ
Q: Can I use other berries for this recipe?
A: Yes, you can use strawberries, raspberries, or blackberries to make a keto strawberry jam or any other keto jam recipe.
Q: How can I make the jam thicker?
A: Add a natural thickener like chia seeds or a tiny bit of xanthan gum.
Q: How long does the jam last?
A: The jam will last for 2-3 weeks in the refrigerator. For longer storage, freeze it in ice cube trays.

More Keto Blueberry Recipes
- Blueberry Frozen Crème Fraiche
- Blueberry Pound Cake
- Blueberry Cheesecake
- Blueberry Muffins
- Blueberry Ice Cream
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Keto Blueberry Jam
Equipment
- 1 Spatula
Ingredients
- 1/2 cup fresh blueberries
- 2 tablespoons Swerve
- 4 tablespoons water
- 1/4 teaspoon lemon zest
Instructions
- In a small saucepan over medium heat, add the blueberries, Swerve, water, and lemon zest.
- Bring to a boil, then reduce the heat and simmer for about 10 minutes.
- Stir occasionally until the blueberries are soft and the sauce is thickened.
- You can use a potato masher to mash the blueberries to your desired consistency.
- Some recipes call for xanthan gum or other thickeners. However, if you simmer it on medium heat, it will thicken on its own.
- Remove from heat and let the jam cool.
- Transfer the jam to a clean jar and store in the refrigerator.
YouTube Video
Notes
- For a smoother jam, blend the blueberries in a food processor before cooking.
- Add a tiny bit of xanthan gum to thicken the jam if needed.
Thank you for sharing this recipe
Aww, thank you so much Deb! 💖
I’m so happy that you’re enjoying my recipe! It truly means the world to me to be able to share them with you.
Your support and kind words keep me inspired to keep creating.
Thank you for being here!