Cook oatmeal, eggs, drained tuna, seaweed, and water in the microwave. Season with soy sauce and sesame oil to finish.
Prepare oatmeal, tuna, and egg.
Pour 300ml of water into a pan and bring to a boil.
Add 40g of oatmeal and stir.
Add 50g of canned tuna and mix well.
Beat 1 egg (50g) and add, stirring continuously.
Simmer over low heat until thickened.
Taste and adjust seasoning with salt.