01 -
Slice onions into 1" slices and lay them out on a wax paper-lined sheet tray.
02 -
In a large bowl, mix together cream cheese, cheddar cheese, jalapeno peppers, garlic powder, salt, and pepper.
03 -
Fill each onion ring with the cheese mixture until level with the top of the ring.
04 -
Bread each onion ring by first coating with flour, then dipping in beaten eggs, and finally covering with Panko crumbs.
05 -
Freeze the prepared onion rings for at least 3 hours.
06 -
Fry the onion rings at 385°F until golden brown.