how to roast cauliflower
Preheat oven to 375 degrees. Place cauliflower in a large mixing bowl. Pour on enough olive oil to coat (a few tablespoons). ...    Lay cauliflower pieces out on a baking sheet. Drizzle any remaining oil from the bowl on top. Bake, turning once, until caramelized on edges and tender, 25 to 30 minutes.
Preheat oven to 175 degrees. Place cauliflower in a large mixing bowl. Pour on enough olive oil to coat (a few tablespoons). ...    Lay cauliflower pieces out on a baking sheet. Drizzle any remaining oil from the bowl on top. Bake, turning once, until caramelized on edges and tender, 25 to 30 minutes.