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Blueberry sauce

A quick, thick and glossy blueberry sauce made with sweetener, lemon juice and xanthan gum instead of sugar and pectin. It takes about two minutes to cook and sets to a jammy texture as it cools. Swirl it through high-protein skyr for a copycat Müller Corner, spoon it over cheesecake, or use it as a low-sugar jam.
Prep Time 5 minutes
Cook Time 10 minutes
Course Breakfast, Dessert, Snack
Servings 4 servings
Calories 25 kcal

Equipment

  • 1 Saucepan

Ingredients
  

  • 150 g blueberries fresh or frozen
  • 75 g erythritol sweetener Add more if needed. You can use other sweeteners if preferred, adjust the quantity based on their sweetness.
  • 1/2 tbsp xanthan gum
  • 2 tbsp lemon juice

Instructions
 

  • Put everything in a small pan. Tip in the blueberries, sweetener and lemon juice. If you're using frozen berries you don't need to defrost them.
  • Bring it to a boil over medium heat, stirring. The berries will soften, burst and let out a deep purple juice. Stir for about 8-9 minutes. Squash a few berries against the side of the pan if you want it smoother, or leave them whole for texture.
  • Add the xanthan gum a little at a time. Sprinkle it in slowly while you keep stirring. Don't dump it all in at once or it'll clump. You'll feel it start to thicken almost right away.
  • Let it bubble for a minute, stirring the whole time. Once it's glossy and coats the back of the spoon, take it off the heat.
    blueberries cooking, wiht a spoon in the pan to stir.
  • Let it cool. It thickens more as it cools, so take it off the heat while it still looks a bit loose. It'll firm up to a jammy texture in the jar.
  • Keep it in a clean jar in the fridge. It lasts about a week. Serve with yoghurt, chai seed pudding, use to top cheesecake and other deserts.
    blueberry sauce and skyr yoghurt layered in a glass parfait.

Notes

Nutrition (approximate, based on 4 servings)
Nutrient Per serving Whole batch
Calories ~25 kcal ~100 kcal
Total carbs ~6.5 g ~26 g
Fibre ~1.5 g ~6 g
Net carbs ~5 g ~20 g
Sugars (natural) ~4 g ~16 g
Protein ~0.3 g ~1 g
Fat ~0.1 g ~0.5 g
Keyword Blueberries