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