Combine coriander, chilli, lime zest, vermicelli noodles and John West Tuna in a bowl.
Place approximately 2 tablespoons of noodle mixture, on the centre of the top edge of a spring roll sheet. Fold the two outer edges over filling. Add a sprig of coriander and roll up, sealing the edges by brushing lightly with a little of the cornflour mixture.
Deep fry rolls, 2-3 at a time until golden brown. Drain on paper towel. Meanwhile combine dipping sauce ingredients in a serving bowl. Serve rolls dipping sauce.