Soak the cashew nuts in cold water for 2-3 hours or overnight
Mix 300 ml milk with the vanilla, rice syrup, cinnamon and agar gar in a pan and bring to a boil
Let cool in a cold bain-maire
Drain the water from the nuts and add them to a high speed blender with the remaining ingredients (dates, 150 ml milk, maple syrup)
Mix until very smooth, this can take up to 5 minutes and the creme will get hot
Add the agar agar mixture until everything is smooth
Pour into jars and put in the fridge