Place cauliflower florets in a food processor and process until "rice" texture. Some coarse chunks are fine.
Place cauliflower in a large bowl and stir in egg, cheese and seasonings until combined.
Place on a prepared baking sheet and press into a pizza crush shape. Bake for 15 minutes.
Top with your favorite toppings and bake again until cheese on top turns golden brown. Slice and enjoy.