In a hand blender, grind the nuts to paste. At first it will be powdered but after continuous grinding, the nuts will release oil and the mixture will become paste.
Chop and melt chocolate in a bowl either on a double boiler or in a microwave oven.
Allow it to cool completely.
Add icing sugar, oil, salt, vanilla and cocoa powder.
Run the mixer unbtil it blends with the nut paste.
Now finally add in the cooled melted chocolate and run the mixer until everything is incorporated.
Pour the paste into a sieve to get rid of all the gritty nuts.
Store in a clean jar in room temperature for up to 2 weeks. Use clean dry spoon whenever using.