Preheat oven to 425 degrees. Line a rimmed baking sheet with aluminum foil and set aside.
Rinse the asparagus and trim off woody end pieces. Spread out in a thin layer on top of the prepared cookie sheet.
Spray the asparagus lightly with a coat of olive oil spray. Sprinkle with salt, pepper, garlic, and parmesan cheese. Use your hands to mix the asparagus with all of the ingredients.