1 Combine marinade ingredients in small bowl. Place beef steak and half of marinade in food-safe plastic bag; turn to coat.2 Close bag securely and marinate in refrigerator 6 hours or as long as overnight, turning occasionally. Cover and reserve remaining marinade in refrigerator.3 Remove steak from marinade; discard marinade. Place steak in center of grid over medium, ash-covered coals. 4 Grill steak, uncovered, 17 to 21 minutes for medium-rare (145°F) to medium (160°F) doneness, turning occasionally.5 Carve steaks. Combine beef, onion and cilantro in medium bowl. Add reserved marinade; toss. Arrange beef mixture over salad greens. Sprinkle with peanuts, if desired.