I think I saw a documentary with the same title? Or maybe I have this book on my wish-list...I have been watching/reading so much on this topic lately!
I was a vegetarian for 10 years but at that time hated cooking. There is a book called "Pure Vegetarian" that you might like, but I believe...
I have made broccoli cheese soup before and didn't puree it because I wanted pieces of broccoli. I just chopped it finely with a knife, it was quick and easy and less to clean up (always a plus!)