Recipe: Grilled Grassfed London Broil – Very Tender!

Recipe: Grilled Grassfed London Broil – Very Tender! post image

Just to break my grill in from the long winter months I thought I would cook a nice piece of london broil. This is a cut that can be tough, especially if it is from a grassfed cow. I’ll show you how to make it super tasty and tender!

The keys to a tender grassfed steak are in the marinade and in the cooking method. Marinating in a vinegar base for a day will help break down the tough collagen fibers in the meat. It also adds lots of flavor!

Cooking at a low temperature and turning and basting with fat frequently, goes a long way to making the steak super tasty and tender!

Also, you don’t want to cook it too long – grassfed steak should be about medium rare or it will get tough.

London Broil

Prep Time: 5 minutes

Cook Time: 35 minutes

Doneness for Grassfed Beef

Rare: 115 - 120º Medium Rare: 121º – 130º Medium: 131º – 140º Well Done: 141º and higher



  1. Instructions
  2. Mix together all the ingredients for the marinade and pour over both sides of the meat in a large dish
  3. Marinate for 24 hours
  4. The next day, take the marinated meat out of the refrigerator one half hour before cooking and let come to room temperature
  5. Fire up the grill to medium high, leaving the middle burner on a low setting – should be around 350ºF on the outside thermometer of the grill
  6. Place the meat on the middle burner (the low setting) for 6 minutes and turn and cook another 6 minutes
  7. Lower the two outer burners to medium low
  8. Baste the meat with the animal fat (or put small dots of the fat on the meat)
  9. Turn the steak again and cook 8 minutes
  10. Baste the meat with the animal fat (or put small dots of the fat on the meat)
  11. Turn the steak again and cook 8 minutes
  12. Take the internal temperature – for medium it should be between 130º and 140º F
  13. If it is not up to temperature, keep basting and turning until it is up to the temperature you like
  14. Remove and let rest 20 minutes
  15. Slice thinly while still a little warm

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Leave a Comment

  • Nancy May 4, 2015, 8:45 pm

    Tried this marinade on pork chops this evening. They were only in the marinade for 2 hours but they were excellent! Thanks for another great recipe.

  • mykaliciious May 8, 2015, 2:41 am

    Thank you for taking the time and effort to put this article together. Keep up posting!
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