Prepare oatmeal, tuna, eggs, and seaweed.
Soak the seaweed in water and chop finely.
Pour water into a pot, add seaweed, and bring to a boil.
Add the oatmeal and simmer while stirring.
Add the tuna and mix evenly.
Beat the eggs, pour them in, and stir while cooking.
Season to taste, bring to a boil one last time, and finish.