Place all the powerball ingredients together in a food processor with plenty of seasoning and pulse until just combined. If the mixture seems a little dry, add 1-2 tbsp water. Using wet hands, form 24 balls. Transfer to a plate and refrigerate until needed.
Blitz together the cashew cheese ingredients until just finely ground.
Blitz the tomato sauce ingredients together with plenty of seasoning. Serve with the courgetti and powerballs and sprinkle over the cashew cheese.