Homemade Onion Rings - Super Crispy Easy and Delicious

Ingredients:

1 large onion sliced into 1/4 inch pieces

3/4 cup of all purpose flour

1/4 cup of corn starch

1/2 tsp of cayenne pepper

salt and pepper to taste

1 cup of cold sparkling water

I cup of Panko bread crumbs or as much as needed