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