Add oatmeal, 200ml water, kimchi, and cheese.
Finely chop the onion and kimchi.
Heat olive oil in a pan and sauté the onion and kimchi.
Add the oatmeal and water, and bring to a boil.
When the porridge thickens, add the cheese and let it melt.
Season with salt and pepper to taste.
Serve the porridge in a bowl.