I just can't eat oats with only water it just really turns me off... it has to be milk. Also, since I started eating oats with 300ml of milk almost every day for a year, my nails and teeth are way stronger.40g oats, 265ml water, bring to the boil then simmer for 3-4 minutes, done.
If I'm feeling adventurous I might stick honey in it.
At one point I was sticking flax seeds chia seeds and stevia in it but it's too hipsterish. I'm working up to just trying it with water and salt, as it was originally intended to be eaten but I'm not there yet.