Prosciutto Wrapped Asparagus

½   pound Asparagus
6    slices prosciutto
½   cup cousely grated parmesan cheese
1    tbsp olive oil

Gently steam or boil asparagus until tender crisp, drain and immediately plunge into a bowl of cold water.  Drain and pat dry.
Cut prosciutto in half lenghthwise and again crosswise.  Roll a slice of prosciutto diagonally around the middle of 1 or more asparagus spears, leaving asparagus tips exposed.  Lightly brush with olive oil and dip into grated parmesan cheese to lightly coat.  Repeat with remaining asparagus spears. 
Can be served cold or can additionally be roasted in the oven at 350° for 5-10 minutes  until gently roasted.
Can be made up to 2 hour ahead, and stored in the fridge for cold, or served immediately for roasted.