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Slicing a grilled london broil on a cutting board with a fork and knife
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4.67 from 24 votes

Amazing London Broil on the Grill

Our Grilled London Broil marinates in a divine blend of seasonings and juices until it's so tender and flavorful, your mouth will water just smelling it on the grill.
Prep Time5 mins
Cook Time20 mins
Marinating Time4 hrs
Total Time4 hrs 25 mins
Course: Main Course
Cuisine: American
Keyword: grilled london broil, london broil on the grill, london broil recipe, london broil recipes
Servings: 4
Calories: 413kcal

Equipment

  • Grill

Ingredients

  • 2 lb. London Broil steak to 2½ lbs.
  • 2 Tbsp. balsamic vinegar
  • ½ cup soy sauce
  • 2 Tbsp. Worcestershire sauce
  • 2 Tbsp. olive oil
  • 1 Tbsp. lemon juice freshly squeezed
  • 1 tsp. garlic powder
  • 2 Tbsp. brown sugar
  • ½ tsp. powdered ginger
  • ¼ tsp. red pepper flakes
  • salt and pepper to taste

Instructions

  • In a bowl, whisk together soy sauce, balsamic vinegar, powdered ginger, Worcestershire sauce, olive oil, fresh lemon juice, garlic powder, brown sugar, and red pepper flakes. This is your marinade.
    Mixing london broil marinade
  • Pour your marinade into a zip-lock bag, then add your London Broil steak. Shake well and refrigerate to marinate for at least 4 hours or overnight.
    Pouring marinade for london broil into bag with the meat
  • Remove your steak from the bag and set on a cutting board. DO NOT discard the marinade! You'll use it to make a sauce.
    Sprinkle with salt and pepper to taste on both sides.
    London broil seasoned on cutting board
  • Add to the grill and grill at 400°F for 5 to 8 minutes on each side.
    Showing sear marks on london broil on the grill
  • While your steak is on the grill, pour the steak marinade from the bag into a skillet over medium heat. Mix and let it start to simmer and thicken until it forms a sauce.
    Cooking the marinade down into a sauce in a skillet with a whisk
  • Remove your steak from the grill and let it rest 10-15 minutes.
    After resting, slice thinly and serve with marinade sauce on top. Enjoy!
    Slicing london broil with a fork and knife on a cutting board

Video

Notes

  • Grilled London Broil recipe is a great way to use an inexpensive cut of beef to make the most amazing meal. Use top round steak or flank steak.
  • You can also use flap steak or skirt steak, but we recommend looking for top round or flank.
  • Let your steak rest for 10-15 minutes off of the grill! Then, when slicing, make sure to slice against the grain. This will give you the most tender cut of beef.

Nutrition

Calories: 413kcal | Carbohydrates: 12g | Protein: 56g | Fat: 15g | Saturated Fat: 4g | Cholesterol: 138mg | Sodium: 1855mg | Potassium: 994mg | Fiber: 1g | Sugar: 8g | Vitamin A: 37IU | Vitamin C: 3mg | Calcium: 70mg | Iron: 6mg