GRILL DIRECTIONS: Heat grill. In blender container or food processor bowl with metal blade, combine tartar sauce ingredients; blend at high speed until well mixed, stopping often to scrape down sides. Place in serving bowl; refrigerate.
In small bowl, combine oil and lemon juice; mix well.
When ready to grill, brush salmon fillets with lemon mixture; sprinkle with salt and pepper. Carefully oil grill rack. Place fish on gas grill over medium heat or on charcoal grill 4 to 6 inches from medium coals. Cook 8 to 12 minutes or until fish flakes easily with fork, turning once. Serve with herbed tartar sauce.