In a pan, combine blueberries and maple syrup over med-high heat. Cook for around 5 minutes until blueberries are all broken. Add chia seeds and cook for 5 more minutes stirring often until it thicken nicely. Let it cool. Add vanilla and mix. Store in a airtight container. It stays good refrigerated for upto 7 days.
You can double or triple the recipe easily. Just remember the time to cook will change slightly.