01 - Set oven to 425°F and line a baking sheet with parchment paper.
02 - Place trimmed asparagus spears in a single layer on the prepared baking sheet.
03 - Drizzle olive oil evenly over asparagus, sprinkle with sea salt and black pepper, then toss gently to coat.
04 - Roast for 12 to 15 minutes, shaking pan halfway through, until tender and lightly browned.
05 - Immediately after roasting, sprinkle grated Parmesan and lemon zest over asparagus, then drizzle with lemon juice.
06 - Transfer to a serving platter and serve warm, garnished with extra lemon wedges if desired.