01 - Preheat the oven to 425°F. Line a large baking sheet with parchment paper.
02 - In a large mixing bowl, combine broccoli florets, olive oil, sliced garlic, sea salt, and black pepper. Toss until evenly coated.
03 - Spread the broccoli in a single layer on the prepared baking sheet, ensuring pieces are not overcrowded.
04 - Roast in the oven for 18 to 20 minutes, flipping once halfway through, until edges are crisp and florets are tender and golden.
05 - Remove from oven and immediately sprinkle with Parmesan cheese. If desired, add lemon juice and zest, then toss gently to combine.
06 - Serve hot as a side dish.