Coat a shallow baking pan with cooking oil spray, set aside. Stir together bread crumbs, cornmeal, celery salt and red pepper. Add oil, tossing to combine. Brush one side of each fish fillet with egg white, then dip in bread crumb mixture. Place fish fillet, crumb side up, in prepared pan.
Pound chicken out and dredge in flour.
Spray pan, add chicken, sprinkle with paprika and bake until light brown. Bake at 325 degrees for 15 minutes. In separate pan, add garlic powder, chicken stock and lemon juice. Heat to boil. Mix corn starch and water together, add to boiling stock, stir until thick.