Catfish Fingers with Cajun Remoulade Sauce

Name: Catfish Fingers with Cajun Remoulade Sauce
Ingredients: 1/2 cup roughly chopped red onions; 1/4 cup roughly chopped celery; 3 tablespoons capers; 2 cups mayonnaise; 1/4 cup sweet relish; 2 tablespoons seafood seasoning, such as Old Bay; 1 teaspoon ground black pepper; 1/2 teaspoon celery salt; 1 cup self-rising cornmeal; 1 cup all-purpose flour; 1 cup pecan pieces; 3 tablespoons seafood seasoning, such as Old Bay; 1 teaspoon celery salt; 3 eggs; Sixteen 1 1/2-ounce pieces catfish