[header] How to make crispy parmesan asparagus sticks [title] Preheat your oven to 425 ° f/220 ° c. [step] Place a wire rack on top of a baking sheet and coat the rack with a nonstick vegetable oil spray. [title] Snap off the tough ends of each asparagus spear. 
[step] Alternatively, place the spears on a cutting board and slice off the tough root ends. [title] Lightly whisk the egg whites in a small, deep bowl.