1. Preheat oven to 400°. Brush a rimmed baking sheet with oil. Spread cauliflower on pan. Bake until browned and edges are starting to crisp, turning once halfway through, about 45 minutes. Sprinkle with salt.
2. Transfer cauliflower to a large serving dish. Sprinkle with capers and parsley.
Note: Nutritional analysis is per serving.