Preheat the oven to 400ºF.
Cover a cookie sheet with foil and spray it lightly with cooking spray.
Arrange the trimmed asparagus on the cookie sheet and drizzle them with olive oil, giving them a quick turn to ensure that they're evenly coated.
Sprinkle the asparagus with Kosher salt and cracked black pepper.
Roast the asparagus for 15 to 20 minutes, just until they're tender but still crisp.
Remove the asparagus from the oven and then sprinkle them immediately with Parmesan cheese and serve.
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