Please choose the correct ending to complete the given sentence: Food and Entertaining: [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.

Ending1: [step] You can use the large pointed end of a parsley-based bulb to snap the edible ends. Cut each spear in half so that the bones are facing up. Ending2: [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. Ending3: [step] Leaves of asparagus spear cannot be removed; simply snap them off, leave them in an oiled glass jar in the oven, and discard the tough ends. [title] Slice both trays horizontally to the desired length of wrap. Ending4: [step] Then simply take an assortment of asparagus spears, and use the one still on a wire rack to carefully remove the widest one so as not to damage the stalks. Rinse each asparagus spear under cool water.

Answer format: ending1/ending2/ending3/ending4