Okay, so if you're going SUPER HEALTHY on us, you could skip the pasta. We made this without pasta as a side for grilled chicken during an especially ambitious post-new-year's-resolution meal, and even with JUST THE ZUCCHINI, it was still super delicious.
However, if you were making this without the chicken, I wouldn't go for the zucchini-noodles-only approach. The pasta makes it more of a meal in and of itself