01 -
Peel onions, cut into 1/4-inch slices, separate into rings.
02 -
Mix flour, cornstarch and seasonings in one bowl. Whisk eggs and milk in second bowl. Put panko in third bowl.
03 -
Coat rings in flour mixture, then egg mix, finally coat well with panko.
04 -
Cook at 350°F for 5 minutes per side, working in single-layer batches.
05 -
Mix mayonnaise and ketchup to create fry sauce.
06 -
Garnish with parsley if desired, serve hot with fry sauce.