London Broil Roast Oven Recipe: A Comprehensive Guide To Mastering This Savory Dish

Are you ready to embark on a culinary adventure and create a mouthwatering London broil roast in the comfort of your own kitchen? Look no further! In this comprehensive guide, we will dive into the world of London broil roast, exploring its rich food science, culinary details, selection, cleaning, preparation, tips, variations, doneness checks, and even the unfortunate occurrences of overcooking and undercooking. So, put on your chef’s hat, grab your apron, and let’s get started!

Understanding the Food Science Behind London Broil Roast

Before delving into the preparation process, it’s essential to grasp the food science behind London broil roast. London broil refers to a cooking method rather than a specific cut of meat. Traditionally, London broil is prepared using a top round steak or flank steak. These cuts are known for their dense, flavorful muscle fibers that respond exceptionally well to the cooking method employed in London broil.

During cooking, the high heat applied to the meat causes the proteins to denature and undergo the Maillard reaction. This reaction leads to the formation of a delicious crust on the outside of the roast while preserving the tender, juicy texture on the inside. This technique creates an unforgettable sensory experience, making London broil a favorite among steak lovers worldwide.

Selecting the Perfect Cut of Meat

To ensure a delectable London broil roast, start by selecting the perfect cut of meat. Look for a well-marbled top round steak or flank steak at your local butcher or grocery store. Marbling refers to the distribution of fat throughout the muscle fibers and contributes to both tenderness and flavor.

When choosing your meat, ensure it is bright red with a creamy, white layer of fat running through its intramuscular structure. Well-marbled cuts promise excellent taste and juicy tenderness when cooked correctly, making them the ideal choice for a show-stopping London broil roast.

Cleaning and Preparing the Meat

london broil roast

After procuring a high-quality cut of meat, it’s time to clean and prepare it for cooking. Begin by removing any excess fat or connective tissue using a sharp knife. Trimming the fat aids in preventing flare-ups during the cooking process, allowing for a more controlled and even heat distribution.

Next, pat the meat dry with paper towels to remove any moisture on the surface. Moisture impedes the Maillard reaction, hindering the development of that coveted crust. By ensuring the meat is dry, you set the stage for a successful London broil roast, where the flavors and textures harmoniously intertwine.

Tips for Preparing the Perfect London Broil Roast

london broil roast

Before we jump into the recipe itself, here are some crucial tips to keep in mind during the preparation process:

  1. Marinating: Although not necessary, marinating your London broil roast can enhance its flavor and tenderness. Choose a marinade that complements your desired taste profile and allow the meat to marinate in the refrigerator for at least 2-4 hours, or preferably overnight for maximum flavor infusion.

  2. Seasoning: To maximize the taste experience, generously season the meat with your preferred blend of herbs, spices, and seasonings. This step adds a depth of flavor and enhances the natural characteristics of the meat.

  3. Resting: After the roast has finished cooking, resist the temptation to carve into it immediately. Allowing the meat to rest for 10-15 minutes after cooking allows the juices to redistribute, resulting in a more succulent and moist final dish.

Now, without further ado, let’s dive into the step-by-step recipe for a sumptuous London broil roast.

Mouthwatering London Broil Roast Recipe

oven baked london broil roast


  • 2-3 pounds of top round steak or flank steak

  • 2 tablespoons of olive oil

  • 2 tablespoons of soy sauce

  • 2 tablespoons of Worcestershire sauce

  • 2 cloves of garlic (minced)

  • 1 teaspoon each of salt and black pepper (or to taste)

  • Optional: additional herbs and spices for seasoning


  1. Begin by preparing the marinade. In a bowl, combine the olive oil, soy sauce, Worcestershire sauce, minced garlic, salt, and black pepper. Mix well until the ingredients are thoroughly combined.

  2. Place the meat in a shallow dish or large ziplock bag and pour the marinade over it. Ensure the meat is evenly coated with the marinade. If using a ziplock bag, squeeze out any excess air and seal it tightly.

  3. Allow the meat to marinate in the refrigerator for at least 2-4 hours, or preferably overnight. This step enhances the flavor and tenderness of the roast.

  4. Preheat your oven to 425°F (220°C) and adjust the rack to the middle position.

  5. Remove the meat from the marinade, allowing any excess marinade to drip off.

  6. Optional: Season the meat with additional herbs and spices of your choice. This step adds an extra layer of flavor complexity.

  7. Heat a skillet or cast-iron pan over high heat. Once the pan is hot, sear the meat for 3-4 minutes on each side. This initial searing locks in the juices and aids in the development of the flavorful crust.

  8. Transfer the seared meat to a baking dish or oven-safe pan and place it in the preheated oven.

  9. Roast the meat for approximately 15-20 minutes (depending on your desired level of doneness). Use a meat thermometer to ensure the internal temperature reaches 125°F (52°C) for medium-rare, 135°F (57°C) for medium, or adjust accordingly based on your personal preferences.

  10. Once the desired internal temperature is reached, remove the meat from the oven and cover it loosely with foil. Allow it to rest for 10-15 minutes to allow the juices to redistribute.

  11. After the resting period, carve the roast into thin slices against the grain. This step enhances the tenderness and ensures optimal flavor distribution.

  12. Serve your succulent London broil roast alongside your favorite side dishes, such as roasted vegetables, mashed potatoes, or a refreshing salad. Enjoy the tantalizing flavors and revel in your culinary prowess!

Checking for Doneness and Avoiding Undercooking or Overcooking

oven baked london broil roast

Achieving the perfect level of doneness is crucial when preparing a London broil roast. Follow these guidelines to ensure your roast is neither undercooked nor overcooked:

  • Rare: For a rare London broil roast, aim for an internal temperature of around 120-125°F (49-52°C). At this level of doneness, the meat will be red in the center with a juicy and tender texture.

  • Medium-Rare: Target an internal temperature of 125-130°F (52-54°C) for a luscious, medium-rare roast. The center will be pink, while the outer edges will develop a savory crust.

  • Medium: Opt for 135-140°F (57-60°C) for medium doneness, resulting in a slightly pink center surrounded by a well-developed crust. This level offers a balance between tenderness and flavor.

  • Medium-Well: If you prefer less pinkness in your meat, a medium-well roast should have an internal temperature of 145-150°F (63-66°C). The center will be slightly pink, albeit significantly less so than medium doneness.

  • Well-Done: Those who appreciate well-done meat should cook the roast until it reaches an internal temperature of 155°F (68°C) or higher. The meat will be uniformly cooked with minimal pinkness.

Remember, the cooking times provided in the recipe are approximate and can vary based on factors like meat thickness and oven variances. A meat thermometer is your closest ally in achieving the desired doneness and avoiding the pitfalls of undercooking or overcooking.

Variations and Customizations to Elevate Your London Broil Roast Experience

While the classic London broil roast recipe is undeniably delicious, don’t be afraid to experiment and put your unique spin on this timeless dish. Here are a few variations and customizations to consider:

  • Asian-inspired Marinade: Infuse your roast with an Asian twist by combining soy sauce, sesame oil, ginger, garlic, and a hint of chili paste. This marinade adds complexity and pairs beautifully with steamed rice and stir-fried vegetables.

  • Herb-infused Roast: Create an herbaceous masterpiece by incorporating fresh herbs like rosemary, thyme, and oregano into your seasoning blend. The aroma and flavors will permeate the meat, enhancing its natural savory profile.

  • Peppercorn Crusted: Crush a medley of colored peppercorns and press them into the surface of the meat before searing. The resulting crust adds texture and a burst of aromatic heat.

  • Balsamic Glaze: Drizzle a balsamic reduction over the cooked roast for a tangy and slightly sweet finish. This addition creates a delightful balance that elevates the flavors of the meat.

Feel free to get creative and tailor your London broil roast to suit your taste preferences and culinary ventures. Remember, cooking is an art, and innovation in the kitchen is always encouraged!

Overcooking and Undercooking: What to Do if Disaster Strikes

Even experienced cooks can occasionally fall victim to overcooked or undercooked meat. If you happen to find yourself in this predicament, fear not! Here are some quick fixes to salvage your London broil roast:

  • Overcooked: If you accidentally left your roast in the oven a bit too long, all is not lost! Thinly slice the overcooked meat and place it in a bowl. Pour some warm beef broth or unsalted gravy over the slices, covering them completely. Allow the broth or gravy to seep in for a few minutes, then remove the meat and serve. The added moisture will help restore some tenderness and counteract the dryness.

  • Undercooked: Discovering that your beloved London broil roast is undercooked can be disheartening. To rectify this, preheat a skillet over medium-high heat and add a tablespoon of oil. Sear the undercooked slices of roast on each side for a minute or two to achieve a desirable crust. Then, transfer the seared slices to a preheated oven at 375°F (190°C) for an additional 5-10 minutes, or until the desired internal temperature is reached.

Remember, it’s all part of the learning process, and even mishaps can lead to delicious creations with a little ingenuity!


Congratulations! You’ve embarked on a culinary journey and mastered the art of London broil roast. Armed with a wealth of knowledge about food science, selection, cleaning, preparation, tips, variations, doneness checks, and even recovery strategies, you’re well-equipped to create a tantalizing London broil roast in the comfort of your own home.

Remember to start with a high-quality cut of meat, pay attention to key steps like marinating and seasoning, and be mindful of cooking times and internal temperatures. Don’t be afraid to experiment with different flavors, herbs, and marinades to create a dish that reflects your distinct taste preferences.

So, roll up your sleeves, ignite your culinary passion, and let the savory aromas of a perfectly cooked London broil roast fill your kitchen. Bon appétit!

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  • FAQS On London Broil Roast Oven Recipe

    What Is London Broil?

    London Broil is a thick cut of beef, usually from the flank or top round, that is often used for grilling or roasting. It is known for its meaty flavor and is typically marinated before cooking.

    How Should I Prepare The London Broil Roast Before Cooking?

    Before cooking the London Broil roast, it’s important to marinate it to enhance its flavor and tenderness. You can use a combination of olive oil, soy sauce, Worcestershire sauce, garlic, and herbs for a flavorful marinade. Marinate the roast for at least 2-4 hours, or overnight for the best results.

    What Is The Recommended Oven Temperature And Cooking Time For A London Broil Roast?

    Preheat your oven to 425°F (220°C) and cook the London Broil roast for about 15-20 minutes per pound for a medium-rare doneness. Use a meat thermometer to ensure the internal temperature reaches 135°F (57°C) for medium-rare, 145°F (63°C) for medium, or 160°F (71°C) for well-done.

    Should I Sear The London Broil Roast Before Roasting It In The Oven?

    Searing the London Broil roast before roasting it in the oven is optional. Searing can help to enhance the flavor and texture of the meat, but it is not necessary. If you choose to sear the roast, heat a skillet over high heat and sear each side for 2-3 minutes before transferring it to the oven.

    How Should I Let The London Broil Roast Rest After Cooking?

    Once the London Broil roast is cooked to your desired doneness, remove it from the oven and let it rest for 10-15 minutes before slicing. This allows the juices to redistribute throughout the meat, resulting in a juicier and more flavorful roast.