Blend cashews and aquafaba in blender till completely smooth - sieve if any pieces remain
Add the rest of the ingredients apart from coconut oil and blend
Add the coconut oil and blend very briefly
Heat in saucepan over low/med heat stirring constantly
Once it starts to bubble a little at side (77 degrees celsius) it is finished (it should be thick and smooth)
Add to a mould and refrigerate for a couple of hours