London Broil with Balsamic Marinade

prep:24 hours
cook:9 minutes to 11 minutes
Show nutritional information
  • Serves: 4
  • Calories: 336
  • Total Fat: 23g
  • Total Carbohydrate: 5g
  • Protein: 25g
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Oftentimes, good salad dressings also make for great marinades. With this steak recipe, we bring big flavor to the grill by letting the meat bathe in our homemade balsamic dressing for a few hours prior to cooking.

Serves: 4

Serves: 4decrease servingsincrease servings




Note, these instructions are written assuming the standard serving size, since you have modified the number of servings, these steps may need to be modified for best results
  1. Whisk olive oil, balsamic vinegar, red onion, garlic, mustard, salt, and pepper together in a mixing bowl.
  2. Place London broil in a ziplock bag or baking dish and cover with the marinade up to 24 hours prior to cooking.
  3. Preheat grill to high heat.
  4. Grill London broil on high for 4–5 minutes for the first side.
  5. Flip, reduce heat to medium-high, and grill for another 5–6 minutes.
  6. Remove from heat, allow to rest 5 minutes, then slice thinly and serve.


London broil tends to be a tougher cut of meat, being that it is so lean. We recommend allowing the meat to marinate for up to 24 hours to help tenderize the steak before cooking.

Our recipes are created using Paleo, Primal and Gluten-free guidelines. Learn more about our diet and lifestyle at

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    1. gloria
      October 12, 2013

      Only had rib eye steak so used that, husband said it was really good, my balsamic vinegar was one that said aged in a barrel so that added more flavor. I thought it was good but I prefer my grilled steak with just garlic and salt (personal preference ).

    2. Pstroud
      December 3, 2014

      I’ve made this recipe a few times. The marinade complements the London broil really well and it always comes out very tasty and tender. The grilling method couldn’t be easier and it’s fast.

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