Wash asparagus and break off bottoms.
Cut into 1- to 2-inch pieces, on the diagonal.
Fill a medium-size saucepan halfway up with water and bring to a boil.
Add the asparagus, reduce heat to a simmer and cook asparagus for 2 minutes.
In a medium sized bowl combine oil, lemon juice, lemon zest, salt and pepper.
Toss asparagus in sauce.
Top with parmesan cheese and serve.
Serving Size 4 servings