Since it's the period for really good asparagus I'll give you an other tip:)
What you need is:
A cheese that you like
Place one slice of ham on one crepe, roll one raw asparagus and a bit of cheese in to it. Fill up an oven safe baking dish with all the rolls and grate some Parmesan on top of it. Let it go in the oven for about 30 minutes in 175 degrees or until they are crispy on the top.