Drain tuna and chop coarsely. Combine tuna, onion, mayonnaise, egg, lemon juice, salt, pepper ... medium heat, cook cakes 3 to 4 minutes on ... Serve with tartar sauce.
Cook onions in butter until tender; add zucchini and tuna and 1/2 cup bread crumbs and slightly beaten egg. Shape into 6 patties. ... Brown on both sides.