1 Preheat the oven to 450 degrees.2 Wash the asparagus, remove the woody bottoms and peel the spears if they are thick.3 Coat the asparagus with the olive oil and sprinkle with salt and pepper. Lay the asparagus in a single layer on a cookie sheet.4 Roast the asparagus for 8-10 minutes, or until tender. Sprinkle with a few drops of lemon juice or Balsamic vinegar. Serve hot, cool or at room temperature.