Immerse the onion rings in the buttermilk mixture. In another large bowl, combine the flour, cornmeal, remaining 1/2 teaspoon salt, and remaining 1/4 teaspoon pepper. Pour the cornmeal mixture ...

Battered cod sandwiches and onion rings are a match made in crispy ... Make the Cod Batter: In a separate bowl, whisk together the flour, cornmeal (if using), baking powder, garlic powder ...