Prepare oatmeal, tuna, and eggs.
Pour 300ml of water into a pan and bring to a boil.
Once the water boils, add 30g of oatmeal and stir.
When the oatmeal softens, add 50g of drained tuna.
Beat 1 egg, add to the pan, and stir until cooked.
Season with salt and let simmer on low heat for 2–3 more minutes.
Serve in a bowl to finish.