Preheat the oven to 425°F (220°C).
Rinse the broccoli and cut it into florets.
Pat the broccoli dry with a paper towel.
Place the broccoli on a baking sheet lined with parchment paper.
Drizzle with olive oil and sprinkle with salt and pepper.
Toss the broccoli to coat evenly.
Spread the florets out in a single layer.
Roast in the oven for 15-20 minutes, turning halfway through.
Check for tenderness and desired crispiness.
Remove from the oven and serve warm.