Pour the water into a small saucepan and bring to a boil. Remove from heat
Combine the cocoa, sugar, and salt in the bowl of a blender or food processor. Pulse a few times to mix. With the motor running, pour 6 tablespoons of the hot water through the feed tube. Stop the blender or food processor, and clean the sides with a rubber spatula. Add the maple syrup, oil and vanilla. Process about 1 minute, until smooth. The sauce will be thin.
Pour the sauce into a jar with a lid. Refrigerate the sauce for up to one week or freeze for up to one month.
Recipe by Ordinary Vegan at https://ordinaryvegan.net/lovingyourself/