Add all ingredients except chia seeds to a blender and blend until smooth. *Alternatively, you can add all ingredients to a large bowl and which until the mixture thickens (overnight)
Transfer to mixing bowl and add in chia seeds
Whisk until mixture thickens and starts to form a pudding like texture
Put in fridge for 30 minutes to overnight to thicken
Serve in individual bowls or store in mason jars ready to serve
Will keep in fridge for up to 4 days.