Blackberry & ginger chia fresca

Ingredients (serves 4)
135g blackberries (washed)
3 tbsp chia seeds
1 small piece of ginger
Juice 1/2 lime
800 ml water
3 tbsp maple syrup
Ice cubes to serve

Method
Place the chia seeds in a glass with 400ml of water and leave to swell for 20mins
Place the ginger, berries, maple syrup, lime juice and 400 ml of water into a blender and blend well
Add in the chia seed gel and blend briefly
Serve over ice