Drain, clean and flake the tilapia. Chop the gherkins, Italian parsley and spring onions and then mix all the ingredients together in a large bowl.
Heat a little sunflower oil in a shallow frying pan. Shape fish into medium rounds and then dip into either cornflour or bread- crumbs. Fry on medium heat on both sides until golden brown. Drain on paper towel. Serve slightly warmed with Lemon Mayonnaise Sauce.
Lemon Mayonnaise Sauce: Whisk all above ingredients together and drizzle over the fish cakes just before serving.
