PREHEAT oven to 450°F. PLACE asparagus on baking sheet. DRIZZLE with oil, turning spears to coat evenly. BAKE 7 to 10 minutes or until tender when pierced with a fork.
Meanwhile, SPRAY a small skillet with cooking spray. SCRAMBLE egg according to personal preference for doneness.
TOAST bread and WARM prosciutto in microwave oven or skillet.
LAYER toast with asparagus and prosciutto. PLACE egg on top. SPRINKLE with cheese.
Substitute Swiss or cheddar cheese for the Parmesan.
A poached egg may be prepared instead of a scrambled egg to top the toast.
This recipe is an excellent source of choline and protein, and a good source of vitamin A.