Step 1

Preheat the oven to 450 degrees F (230 degrees C).

Step 2

Combine broccoli florets and olive oil in a bowl and toss to lightly coat. Season with salt and pepper.

Step 3

Lay a large sheet of aluminum foil on a flat work surface. Transfer broccoli to the center of the sheet and fold edges in to create a sealed packet.

Step 4

Bake in the preheated oven for 10 minutes. Remove packet from oven and open aluminum foil to expose broccoli. Sprinkle with Parmesan cheese.

Step 5

Return packet to the oven and continue baking until floret tips start to blacken and stalks are greenish-brown, about 10 minutes more.