In a heavy bottomed pot, combine berries, juice, chia and lavender. Cook on high heat, until the berries burst and start to break down, about 8-10 minutes.
Transfer it to a blender. Leave it to cool for a few minutes.
Blend until smooth.
Transfer to a glass jar and leave to cool.
Notes
Yield: approximately 2 cupsDon't be alarmed if the jam seems a little thin. As it cools, it will thicken a lot.