Take this list with you to any of our 8 supermarkets:
In a bowl, beat the eggs, parsley and lemon juice, and then stir in the parmesan cheese and bread crumbs.
Gently fold in the tuna and onions until well-mixed and season with black pepper.
Shape the tuna mixture into patties.
In a skillet, heat the vegetable oil over medium heat and fry the patties for about 5 minutes per side until golden brown.