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Sugar Free Blueberry Jam
5 from 216 votes

Sugar Free Blueberry Jam

Sugar Free Blueberry Jam is made by simmering fresh or frozen blueberries with water, lemon juice, and optional vanilla until thickened, then thickened further with xanthan gum. This spread captures the natural sweetness and tartness of blueberries without added sugar. It retains some berry texture unless blended smooth, making it a versatile topping for breakfasts and desserts.

Prep Time
1 min
Cook Time
20 mins
Total Time
21 mins
Servings: 14
Calories: 113 kcal
Course: Breakfast, Condiments
Cuisine: British

Ingredients

  • 2 cups / 300g Blueberry frozen or fresh
  • 2 tablespoon water
  • lemon juice of ½ lemon
  • 2 pinches xanthan gum
  • vanilla extract optional

Instructions

    Cup of Yum
  1. Put the blueberries, water and lemon juice (and vanilla, if using) in a non stick pan, cover and bring to a boil.
  2. Remove the lid and cook on a medium heat for ca 15 minutes, stirring regularly. The mixture will reduce by ⅓ and thicken. Smash the berries with a spoon while they cook.
  3. You can blend the mixture if you wish to have a smooth consistency. I like it the way it is, with a few bits and pieces in it.
  4. At the end, take a couple of pinches xanthan gum and sprinkle it evenly into the pot, stirring well afterwards. Xanthan gum is a brilliant thickening agent and is also used in gluten free baking, so it does come in handy. You only need a tiny amount - it's quite remarkable.
  5. Pour the mixture into a clean jar and store in the fridge. This recipe fills a small (200ml) jar.

Notes

  • Jam yield is approximately 200g; one portion is about 14g (1 tablespoon).
  • Sweetness varies by blueberry ripeness; add erythritol powder or stevia glycerite to increase sweetness if desired.
  • Xanthan gum is used sparingly to thicken without sugar and should be evenly sprinkled while stirring.

Nutrition Information

Serving 14g Calories 11.3kcal (1%) Total Carbohydrates 2.7g (1%) Protein 0.1g (0%) Fat 0.1g (0%) Potassium 12mg (0%) Fiber 0.6g (2%) Sugar 1.9g (4%)

Nutrition Facts

Serving: 14 Serving

Amount Per Serving

Calories 113

% Daily Value*

Serving 14g
Calories 11.3kcal 1%
Total Carbohydrates 2.7g 1%
Protein 0.1g 0%
Fat 0.1g 0%
Potassium 12mg 0%
Fiber 0.6g 2%
Sugar 1.9g 4%

* Percent Daily Values are based on a 2,000 calorie diet.