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