01 - Preheat oven to 425°F. Line a baking sheet with parchment paper.
02 - Arrange asparagus spears in a single layer on the prepared baking sheet.
03 - Drizzle asparagus with olive oil, then sprinkle with salt and pepper. Toss gently to coat evenly.
04 - Roast for 12–15 minutes, or until asparagus is tender and lightly browned at the tips.
05 - Remove from oven. Immediately sprinkle with Parmesan cheese and lemon zest, then drizzle with lemon juice.
06 - Serve warm, garnished with extra Parmesan or lemon zest if desired.