In a bowl, mix the olive oil and dressing mix together.
Cut off the hard ends of the asparagus (1 inch to 2 inches) Add the asparagus to the bowl and mix well.
Spread the asparagus onto a baking sheet and cook at 425 degrees for 10 minutes. Check the asparagus to see if it is cooked all the way through. If it is thick asparagus you will need to cook it longer.