Barbecued London Broil 1 (1 1/2 or 2 pound) flank steak 1 tablespoon sherry or any dry red wine 1 tablespoon soy sauce 2 tablespoons granulated sugar 1/2 teaspoon salt 1/4 teaspoon cinnamon Score meat on all sides. Mix together remaining ingredients. Put on meat and let stand 1 1/2 to 2 hours, then place meat in broiler pan about 4 inches from heat. Broil about 10 minutes or a little longer on each side. Ten minutes is for medium rare. To serve, cut diagonally across the grain into very thin slices.