1. Cook orzo according to package directions, omitting salt and fat. Drain, and stir in 2 tablespoons parsley, 1/4 teaspoon pepper, and 1/4 teaspoon salt.
2. Combine remaining 1 tablespoon parsley, mayonnaise, and next 5 ingredients (through capers) in a small bowl.
3. Heat a large nonstick skillet over medium-high heat. Add 1 tablespoon oil; swirl to coat. Place flour in a shallow dish. Sprinkle fillets evenly with remaining 1/2 teaspoon pepper and remaining 1/4 teaspoon salt; dredge fillets in flour. Add 2 fillets to pan; cook 1 1/2 minutes on each side or until desired degree of doneness. Remove fish from pan. Repeat procedure with remaining 1 tablespoon oil and 2 fillets. Serve with rémoulade and orzo.