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–+ servings
Slices of london broil on a wooden cutting board with a small bowl of marinade.

London Broil Marinade

Samantha Erb
Use my best London broil marinade for the juiciest beef with an irresistible flavor! Brine the meat for a few hours (or overnight!), then broil and have dinner on the table in under 30 minutes.
5 from 1 vote
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Prep Time 2 hours
Cook Time 10 minutes
Resting Time 10 minutes
Total Time 2 hours 20 minutes
Course Dinner Recipes
Cuisine American
Servings 6 Servings
Calories 641 kcal

Ingredients

  • ⅓ cup soy sauce
  • 2 tablespoons balsamic vinegar
  • 3 tablespoons olive oil
  • 2 tablespoons Worcestershire sauce
  • ½ lemon juiced
  • 1 tablespoon brown sugar
  • 2 teaspoons Italian seasoning
  • 1 teaspoon garlic powder
  • ½ teaspoon salt
  • ½ teaspoon black pepper
  • ¼ teaspoon red pepper flakes
  • 1.5-2 pounds London broil steak

Instructions
 

  • In a plastic zipper bag, add marinade ingredients, sealing the bag and shaking it to combine everything together.
  • Place the steak in the bag, seal, and massage the marinade around the meat. 
  • Marinate steak in the refrigerator for 2-3 hours, up to overnight.
  • Remove the steak 30 minutes before cooking.
  • Place the steak in a cast iron skillet or oven-safe baking dish and transfer the marinade to a small saucepan. Simmer on low heat until thickened to serve over the beef.
  • Broil the steak for 5-6 minutes, then flip and broil for 3-4 more minutes, or until it reaches your desired doneness (130-135F for medium rare).
  • Let the steak rest for 10 minutes, slice, and serve with the marinade sauce.

Nutrition

Serving: 1gCalories: 641kcalCarbohydrates: 6gProtein: 55gFat: 42gSaturated Fat: 15gPolyunsaturated Fat: 23gCholesterol: 212mgSodium: 1269mgSugar: 3g
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