I do chicken or beef stock sometimes, and sometimes make what is like mac and cheese with oats instead of pasta (whole groats can be nice in this). You can also make sweet oatmeal without using so much sugar that it's "sickly".
I'd also like to plug the fact that you can get a hand crank device called a flaker that lets you turn whole oats into oatmeal fresh, and do the same to other grains like wheat, rye, spelt, etc for other whole grain hot cereals.
Agreed! That's what I usually use too.