Soak the seaweed in cold water for 10 minutes, then drain well.
Finely chop the onion and dice the carrot.
Heat a little olive oil in a pan, then sauté the onion and carrot.
Add the seaweed and stir-fry together.
Pour in 400ml of water and bring to a boil.
Add oats and simmer over medium-low heat for 5 minutes, stirring occasionally.
Season with salt to taste.