Adjust water as needed
Soak the seaweed in cold water for 10 minutes, then chop it finely.
Finely chop the carrot and onion.
Heat sesame oil in a pot, then stir-fry the seaweed, carrot, and onion.
Add oatmeal and water, then bring to a boil.
Simmer over medium-low heat, stirring occasionally, for 5-7 minutes.
Season with soy sauce and salt.