Grilled Swordfish with Niçoise Vinaigrette

From Gourmet Magazine

• 5 tablespoons olive oil
• Two 1-inch-thick swordfish steaks
• 1/4 cup finely chopped pitted Kalamata or other brine-cured black olives
• 1/4 cup finely chopped drained bottled roasted red pepper
• 3 tablespoons finely chopped fresh parsley leaves, preferably flat-leafed
• 1 tablespoon drained bottled capers, chopped fine
• 1 flat anchovy fillet, minced
• 1 small garlic clove, minced and mashed to a paste with 1/4 teaspoon salt
• 2 tablespoon minced scallion
• 1 1/2 tablespoons balsamic or red-wine vinegar
• Lemon wedges as an accompaniment

Directions

1. Prepare grill or heat cast iron grill pan over moderately high heat until it is hot.
2. Brush each swordfish steak with 1 1/2 tablespoons olive oil and grill them, patted dry, for 4 to 5 minutes on each side, or until they are just cooked through.
3. While the fish is cooking, in a small bowl stir together the olives, the roasted red pepper, the parsley, the capers, the anchovy, the garlic paste, the scallion, the vinegar, the remaining 3 1/2 tablespoons oil, and salt and pepper to taste.
4. Transfer the swordfish to plates, spoon the sauce over it, and serve it with the lemon wedges.