01 - Set the oven to 400°F and line a baking sheet with parchment paper.
02 - Place asparagus spears in a single layer on the prepared baking sheet.
03 - Drizzle olive oil over the asparagus, then sprinkle with minced garlic, lemon zest, kosher salt, and freshly ground black pepper. Toss gently to coat evenly.
04 - Bake for 12 to 15 minutes until asparagus is tender yet crisp and tips start to brown.
05 - Remove from oven, immediately drizzle with fresh lemon juice, sprinkle with Parmesan cheese, and toss gently to combine.
06 - Transfer to a serving platter and garnish with fresh parsley if desired. Serve warm.