Soak the chia seeds in the first measure of water for 15-20 mins until they start to gel, this creates a chia seed egg replacer
Pre-heat the oven to 180 degrees Celsius (360 Fahrenheit)
Place the raisins, tahini, maple and syrup in a food processor, blitz until smooth
Add the remaining ingredients including the soaked chia seeds, blitz until combined, the mix will be sticky.
Wet your hands and wet a spoon (the moisture will prevent the mixture sticking to your hands).
Take tablespoonfuls of the mixture and roll into balls, place on a baking paper lined tray
These cookies don't spread while cooking, so use a wet fork to press them down to an appropriate thickness
Bake for 8-10 mins (it will depend a little on how much you have squashed the cookies.