01 - Set oven to 425°F. Line a baking sheet with parchment paper for easy cleanup.
02 - Place trimmed asparagus spears in a single layer on the prepared baking sheet.
03 - Drizzle olive oil over asparagus; sprinkle with sea salt and black pepper. Toss gently to coat evenly.
04 - Roast in oven for 12–15 minutes, shaking pan midway, until asparagus is tender and lightly browned.
05 - Remove from oven; immediately sprinkle with Parmesan and lemon zest, then drizzle with lemon juice.
06 - Transfer to serving platter; serve warm, garnished with extra lemon wedges if desired.