Boil the cashews for 20 mins and drain
Add the cashews the hot water, and all the remaining ingredients to a blender, and blitz until smooth
Pour into a pan and heat over medium high heat, while stirring.
As you stir it will start forming clumps, and then all of a sudden it will become gooey
Continue to cook and stir for an additional 2 minutes to make sure it has firmed up completely