Coarse salt and freshly ground black pepper to taste
Preheat the oven to 450°F with the rack placed in the lower third of the oven.
Cut the cauliflower into florets. Place in a large baking sheet with sides and gently toss 2 tablespoons with of the olive oil (your hands are really the best tools for this) and about 1/2 teaspoon of salt and a few grinds of pepper, if desired. Roast until slightly browned and tender, turning gently with a spatula once or twice, about 25 minutes.