Despite it's name, this recipe is very American. London Broil is made with Top Round Steak, marinated for hours in a flavorful mixture, broiled in the oven, and served with a delicious herb-butter.
Remove the steak from marinade; discard marinade. Pat steak dry with paper towel. Preheat broiler. Place steak on rack in broiler pan so surface of beef is 3 to 4 inches from heat. Broil 27 to 29 minutes for medium rare (145°F) doneness, turning once
Carve steak into thin slices; top with herb butter and drizzle with pan juices, as desired.