Prepare oatmeal, tuna, eggs, onion, and green onion.
Finely chop the onion and green onion.
Heat sesame oil in a pan and sauté the onion and green onion.
Add the tuna and stir-fry together.
Add oatmeal and water, then bring to a boil.
Season with spicy chicken sauce.
Beat the egg and stir it into the porridge, cooking gently.
Transfer to a bowl to serve.