Tomato Sauce with Butter and Onion

How good could a pasta sauce be that only includes three ingredients?  AMAZING!!  Just three ingredients but somehow tomatoes, butter, and onion simmered together transform into something truly delectable.  While some may discount it right away because of it's simplicity, I was hooked by this recipe for that very reason.  Cheap, fast, easy, ingredients that I always have around?  Sold!  It really is so good.  It tastes as fresh and uncluttered as a lazy summer day.  This sauce over pasta is the kind of simple and yummy meal that my kids really go for.