{{model.addEditText}} Print. 1  Prep. 2  Cook. 3  Ready In.  Preheat the oven to 425 degrees F (220 degrees 1  C). In a shallow dish, stir together the cornmeal, paprika, thyme, salt, celery seed, onion powder, garlic powder, and pepper.  Bake for 15 minutes in the preheated oven, or until fish is easily flaked with a fork.