Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to roast cauliflower [title] Purchase a medium head of cauliflower. [step] Rinse it thoroughly under running water. [title] Place a baking rack in the center of the oven.

Ending1: [step] Cover the top of the oven with aluminum foil. [title] Cook one of the leafy leaves inside the foil circles. Ending2: [step] Line the rack with thin baking foil or a cooling sheet. Check the temperature of the oil or butter. Ending3: [step] Preheat your oven to 425 degrees fahrenheit (218 celsius). [title] Pull the leaves off of the base of the cauliflower head. Ending4: [step] Have a light place set aside for the next step. [title] Preheat the oven to 400 ° f (200 ° c) and immediately lay a 6-inch baking sheet down.

Answer format: ending1/ending2/ending3/ending4