Toasted French bread, green leaf lettuce, and sliced tomato, to serve
Instructions
In a small bowl, stir together mayonnaise, parsley, Creole seasoning, relish, vinegar, and hot sauce. Cover and refrigerate until ready to use.
In a large skillet, heat oil over medium-high heat. Sprinkle catfish with blackened seasoning. Add fish; cook, turning once, until firm to the touch, 2 to 3 minutes per side.
Spread mayonnaise mixture onto cut sides of bread. Top with lettuce, tomato, and catfish. Serve immediately.