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Marinated London Broil for the Grill

London broil is one of most confusing names in the world of meat.  First of all, London broil means nothing in London (kind of like asking for French Fries in France).  London broil refers more to a cooking method than an actual cut of meat.  As far as I can tell the “broil” refers to the fact that it should be seared and cooked quickly over high heat, but I have no idea where the “London” part came from.  More accurately, London Broil is the same cut of meat (though sometimes thicker) as the flank steak.  Increasingly, top round steaks are starting to be labeled more and more as “London Broil”.  Whatever the origins, it is a very lean cut of meat with very tough strands of muscle running the length of the steak.  Just the same as flank steak, we are talking about a steak that really benefits from marinades and we need to cook it no more than medium-rare and slice it thin, against the grain, for maximum tenderness.  So you should definitely factor in marinating London broil to your prep time to give the marinade a chance to help break down that tough tissue.  Which brings us to this week’s recipe for a very easy and tasty london broil marinade!  The soy sauce will help break down and tenderize the London broil in as little as 4 hours.  If you have time though, overnight is even better.  Let’s make a nice little bath for that steak!


1 London Broil steak

1/2 cup Soy sauce

3 cloves garlic, smashed

2 tablespoons fresh ginger, minced

1/4 cup brown sugar


  1. Combine the marinade ingredients in a glass bowl and whisk together to combine thoroughly.
  2. Place the London broil steak in a large, re-sealable bag.
  3. Pour in the marinade and seal the bag, squeezing out as much air as possible and then place the bag in a refrigerator for 4 – 6 hours or overnight.  Turn the bag at least once during that time to make sure all of the sides of the steak get some soy lovin’.
  4. Light your grill to high heat.  We are going to cook this now-somewhat-leaner tough hunk of meat quickly over high, direct heat until around medium-rare.  Remember, the longer you cook an already tough cut of meat, the tougher it will be.  I recommend to err on the side of rare because you can always stick it back on for a few minutes if you really feel the need.  Once it is over-cooked though, you might as well call up the pizza guy while the kids fling around your new leather frisbee in the backyard.
  5. Remove the marinated London broil from the bag and place on the hottest part of the grill.
  6. Grill with the lid open 5 – 7 minutes per side (we always rotate half way through to get those nice looking grill marks, right?).
  7. Once it has grilled for a total of 10 – 14 minutes, remove the grilled London broil from the grill and place on a cutting board and allow to rest for about 5 minutes.
  8. Now here is the other key to getting the maximum tenderness out of this cut of meat.  Using a sharp knife, slice the meat thin against the grain.  For more detailed directions on how to do that, check out these instructions, but here are the Cliff notes.  The grain on the London broil should be obvious once you pick it up on one side with some tongs and bend the meat.  Find the direction of the grain (9 times out of 10, the grain runs the long length of the cut) and then start slicing thin, perpendicular to the grain like so:

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8 Responses




Great job, was very nice! ( I see your doing well with that new grill!! Keep them coming :)




Gave this one a try and the London Broil came out perfect. I think my son ate half the steak himself.




Woah…that was amazing! I am an experienced home cook – I even have had recipes published – but managed to never grill my London Broil. This was perfect, thanks!


Jim Bruskas


I’m very pleased to have found your web site. Your comments and suggestions were greatly appreciated. Thank you for your time..:-)


mojo jo joe


time to fire up the grill!!! thanks for the cooking tip..sounds delicious!!!


Your Name


Greatest London droil in awhile love my weber grill since 96 same grill how about dat




I gotta try that thanks. What would be a good alternative for brown sugar?


shirley pryor


I tried this. I followed the directions and marinated the meat over night. Because my husband hates soy sauce, I took the meat out of the bag,rinsed it off, put it in a clean bag with our favorite BBQ sauce for 4 hrs. Cooked it in a hot iron skillet.. Med rare….it was tender and tasty. We had eaten the other half of this roast a few weeks ago. A different marinade was used and it was SO tough. Guess I need to give this one credit.

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