Oat milk is an amazing vegan alternative to milk. First of all, it's ridiculously tasty. Second, it contains nutrients and fiber. And finally: it's so easy to make at home!
This casserole is simple and delicious, and makes a perfect snack during a picnic (bento anyone?)—you should use it as a basic idea for a casserole, since the pasta sauce is the stable and the most important piece of the meal. It's also a very tweak-able recipe! :-)