Place a baking sheet in the oven and preheat to 375°F.
When the oven is hot, add the olive oil to the sheet pan, swirl, and add the cauliflower, garlic, and white onion.
Return to the oven and roast for 10 minutes. Stir every 5 minutes.
After 10 minutes, add the pine nuts and the salt.
Roast for 10 minutes. Stir every 5 minutes.
Add the pepper, toss well, and roast for another 5 minutes.
Serve.
