i usually pan fry parm crisps in a non-stick pan with a bit of cooking spray or misted olive oil. that way you can control the cooking process by hand.
my son makes really good cheese crisps this way by mashing up goldfish or cheez-it crackers into the shredded parm.
in nomine patri, et fili, et spiritus sancti.
Meh nom eh noh...doot dooooo do do do.