Prepare large baking tray and line it with parchment paper.
Place the florets onto prepared baking tray, drizzle with olive oil, season with salt and pepper and bake on 200 C / 390 F for about 20 minutes until starts to get golden brown.
Remove from the oven, sprinkle with grated Parmesan cheese and serve warm. Enjoy!
Recipe by Travelling oven at https://www.travellingoven.com/2016/02/roasted-romanesco-broccoli/