I want to like this place because they offer vegetarian and vegan options, and I want restaurants to offer more meatless meals.
That said, I recommend Greens and Proteins for the occasional smoothie or pizza. The smoothies are rich, fresh and made right in front of you. The pizzas are flavorful and the crust is crispy.
The salads are okay, but I always think "I could have made this at home." Nothing special there.
The veggie burger is just blah. Little flavor, strange texture (as others have mentioned), and unpleasantly sticky. Even with cheese, I didn't find it to have a good taste -- I ended up slathering the veggie burger with mustard.
If you're going for a quick smoothie or a pizza, then Greens and Proteins is a good option. However, I can't recommend anything else on the menu.