Step 1Preheat the oven to 200 °C/ 400 °F (fan assisted), or 220 °C/ 425 °F (conventional). Start by grating the cauliflower to make the cauli-rice by following this recipe. Do not cook the cauli-rice at this point. Grate the mozzarella and parmesan and place in a bowl. Keep some cheese aside for topping.