Place blueberries, lemon juice, erythritol and water in a small saucepan and bring to a simmer
Simmer on a low heat for 8-10 minutes or until the blueberries have started to break down
Remove pan from heat and sprinkle in the xanthan gum a small bit at a time, stirring continuously
The sauce will thicken more as it cools. Serve either warm or chilled
Video
Notes
Edit: Makes 12 tbsp Serving size 1 tbsp Makes 12 serves
Note: the amount it makes will vary depending on how far you reduce the blueberries when they are cooking. We have tested this and gotten just over a cup of sauce, which measured as 12 tbsp.
NOTE: THIS IS BASED ON THE INGREDIENTS WE USED, NUTRITIONAL INFORMATION MAY VARY DEPENDING ON THE INGREDIENTS USED.