Here is a great recipe for cauliflower crust pizza. After the link I will give you my own tweaks.
I used a cheese grater and avoided the stems. It looked like rice after I was through. I must warn you, it makes a lot of cauliflower rice. We had a total of six 10-11 inch pizzas from this I used a bit less parmesan cheese and more cauliflower and I added a tablespoon or so of olive oil to the mixture. Sautéing the vegetable toppings is key. I really felt like this was as good or better than regular pizza. It did not seem like I was settling for anything. I just used the Contadina squeeze bottle sauce (yet, it has corn syrup, but overall sugar levels are low in it).
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