Prepare grill. Place first 10 ingredients in a blender or food processor; process until smooth.
Sprinkle steak with 1/2 teaspoons salt and 1/2 teaspoons pepper. Place steak on grill rack coated with cooking spray, grill 8 minutes on each side or until desired degree of doneness. Let stand 5 minutes. Cut the steak diagonally across grain into thin slices. Serve with sauce.