Sounds fancy eh? especially since I don't speak Francais or Francois
2-3 TBS Olive Oil
1-2 tsp Wocestershire Sauce
2-? TBS Steak Montreal
1 Large Orange
Rub London broil in a mixture of Olive Oil and Wocestershire Sauce
Coat to taste with Steak Montreal mixture - McCormicks is fine Rub some more
coat with zest of 1/2 to one Orange on both sides rub some more
Use Sensei Kar'r San's 2 fork tenderizing style
Grill or Broil to desired temperature
Sensei Kar'r San worked in many kithchens and and taught me to hold two forks and repeatedly fork the beef to tenderize it, and allow the marinade to penetrate the meat.