Prep: 5 minutes; Cook: 6 minutes
1. Place first 4 ingredients in a blender or food processor; process 45 seconds or until finely ground. Transfer crumb mixture to a shallow dish.
2. Heat oil in a large nonstick skillet over medium heat. Brush mustard over both sides of fillets; dredge in crumb mixture. Add fish to pan; cook 3 minutes on each side or until fish flakes easily when tested with a fork or until desired degree of doneness. Sprinkle with parsley, if desired.