How to Make It
Combine first 7 ingredients in a medium bowl. Cover and chill 20 minutes.
Sprinkle fish with herbes de Provence and 1/4 teaspoon salt. Place fish on a grill rack coated with cooking spray; cook 3 minutes on each side or until fish is medium-rare or desired degree of doneness. Serve fish with tomato mixture. Garnish with chives, if desired.