Deep-Fried Catfish Corn oil for deep-frying 3 catfish fillets (about 1 pound) 1/2 cup white cornmeal salt to taste, if desired freshly ground black pepper to taste lemon halves ketchup hush puppies Heat the oil for deep-frying. Cut each fillet in half crosswise. Combine the cornmeal, salt, and pepper. Dredge the fillets in the cornmeal. Pat to make the cornmeal adhere. Drop the fillets in the oil cook 5 to 10 minutes, or until crisp and brown. Serve with lemon halves, ketchup, and hush puppies. 2 to 4 servings.