Preheat oven to 450 degrees.
Using a food processor or grater, crumble cauliflower into tiny pieces.
Microwave for 8 minutes or steam until cooked through.
the rest of the ingredients and form into a circle for a pizza crust.
Line baking sheet with parchment (even if you are using a pizza stone).
If you are using a pizza stone, get it hot first.
Bake the crust without the toppings for 20-35 minutes. This will depend on how thick your crust is, etc.
Once golden brown, top with toppings of choice and broil for 5 minutes until cheese is melted.
I topped my pizza with the arugula after it came out of the oven.