It is great to find an easy, fun to make, vegan dish. The recipe by Martha Stewart is once such recipe. Just omit the Parmesan cheese at the end. It works perfectly with whole wheat pasta. The starch of the past makes a bit of a sauce.
http://www.marthastewart.com/1083334/martha-stewarts-one-pot-pasta-recipe
This recipe can be very low fat if you reduce the olive oil!