There are many ways to make onion rings. This recipe offers the lightest, crispest rings imaginable. Panko are Japanese breadcrumbs our original webmaster, Yvan Huneault was besotten with. If you use them, you’ll see why. Panko makes a great coating on chicken filets, fish, and particularly, onion rings. They are available in Asian food stores. If you don't have panko, use regular bread crumbs or grated up soda crackers.