
Preheat oven to 400F (205C) and line a baking sheet with parchment paper. Set aside.
In a large mixing bowl, combine broccoli, olive oil, salt, pepper, and 2 Tablespoons (10g) of parmesan cheese. Toss everything together until all broccoli is coated with oil.
Spread evenly onto prepared baking sheet and transfer to center rack of 400F (205C) preheated oven. Bake for 20-25 minutes. When finished cooking, broccoli will be tender when pierced with a fork.
Remove from oven and sprinkle broccoli with remaining 2 Tablespoons (10g) parmesan cheese. Stir and serve immediately.