Drain the oil from the canned tuna and prepare it.
Finely chop the onion and green onion.
Mix tuna, onion, green onion, salt, and pepper to make the dumpling filling.
Soak the rice paper in lukewarm water to soften it.
Place the filling on the rice paper, shape it, and fold it.
Heat a pan with a little oil and cook the dumplings until golden on both sides.