Panko Breaded Onion Rings


2 large Vidalia (or other sweet) onions
1 cup all-purpose flour (more if needed)
1 teaspoon salt
½ teaspoon ground black pepper
¼ teaspoon ground red pepper
1 teaspoon garlic powder
1 teaspoon dried oregano
3 eggs
2 cups Kikkoman Panko Japanese Style Bread Crumbs (I had to add a little more at the end of my onion dipping process)
1 cup oil (I used canola oil)