Place first 10 ingredients in a blender or food processor; process until smooth.
Sprinkle steak with 1/2 teaspoon salt and 1/2 teaspoon pepper. Place the 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.