Soak the seaweed in cold water and chop it finely.
Finely chop the carrot and onion.
Add sesame oil to a pot and sauté the seaweed.
Add the carrot and onion, and continue to stir-fry.
Pour in water and bring to a boil.
Add the oatmeal and cook over medium-low heat, stirring until fully cooked.
Season with salt, stir well, and finish.