Preheat the oven to 450 degrees.
If desired, line a large rimmed baking sheet with parchment paper.
Arrange cauliflower on baking sheet and drizzle with olive oil. Sprinkle with small pinch of sea salt.
Slide into the oven and roast for 20 minutes.
Remove the tray from the oven and carefully flip each cauliflower floret.
Slide back into the oven and roast for another 10-15 minutes, or until cauliflower edges are golden brown.
Toss roasted cauliflower and olives with halved figs. Garnish with radish and whole figs. Serve immediately.