How to Cook London Broil in Oven: A Step-by-Step Guide

What is London Broil?

Traditionally, London broil refers to a dish where beef is marinated, broiled, and thinly sliced. However, the term is also commonly used in the United States to describe cuts of meat like top round or flank steak. These cuts are lean and can be challenging if not cooked properly, so making a good marinade and using correct slicing techniques are essential.

What You'll Need

Ingredients:

• 1 ½ to 2 pounds of top round or flank steak
• ¼ cup soy sauce
• ¼ cup olive oil
• 2 tablespoons Worcestershire sauce
• 2 tablespoons balsamic vinegar
• 2 cloves garlic, minced
• 1 tablespoon Dijon mustard
• 1 teaspoon honey or brown sugar
• 1 teaspoon dried oregano or Italian seasoning
• ½ teaspoon black pepper
• Optional: red pepper flakes for heat

Equipment:

• A resealable plastic bag or shallow dish for marinating
• A broiler pan or a baking sheet with a wire rack
• Aluminum foil
• Meat thermometer
• Sharp knife for slicing

Step 1: Select the Right Cut of Meat

For London broil, opt for a top-round steak or flank steak. These cuts are budget-friendly and ideal for marinating. Ensure the steak is evenly thick, about 1 ½ to 2 inches, for even cooking.

Step 2: Prepare the Marinade

A flavorful marinade is crucial in tenderizing and infusing the meat with taste. Combine soy sauce, olive oil, Worcestershire sauce, balsamic vinegar, garlic, Dijon mustard, honey, oregano, and black pepper in a bowl. Add a pinch of red pepper flakes if you prefer a spicy kick.

Step 3: Marinate the Steak

• Place the steak in a resealable plastic bag or a shallow dish.
• Pour the marinade over the steak, ensuring it is fully coated.
• Seal the bag or cover the dish with plastic wrap.
• Refrigerate for at least 4 hours, but overnight is best for maximum flavor and tenderness. Turn the steak occasionally to ensure even marination.

Step 4: Bring the Steak to Room Temperature

Before cooking, remove the steak from the refrigerator and let it sit at room temperature for about 30 minutes. This step ensures even cooking.

Step 5: Preheat the Oven and Broiler

Set your oven to the broil setting and position the rack about 6 inches from the broiler element. If your oven has no broiler, set it to the highest temperature (around 500°F).

Step 6: Prepare the Broiler Pan

Line a broiler pan or a baking sheet with aluminum foil for easy cleanup. Place a wire rack on top to allow air circulation and even cooking.

Step 7: Broil the Steak

• Remove the steak from the marinade and shake off any excess liquid. Discard the remaining marinade.
• Place the steak on the prepared broiler pan or rack.
• Broil for 4-6 minutes per side for medium-rare. How long to broil London broil in oven? Use a meat thermometer to check the internal temperature:
• 125°F for rare
• 135°F for medium-rare
• 145°F for medium
• Cooking time will vary based on the thickness of the steak and your oven, so keep a close eye on it.

Step 8: Rest the Steak

After broiling, transfer the steak to a cutting board and loosely tender it with aluminum foil. Let it rest for 5-10 minutes. Resting allows the juices to be redistributed, resulting in a juicier steak.

Step 9: Slice Against the Grain

To ensure tenderness, slice the steak thinly against the grain. This shortens the muscle fibers, making the meat easier to chew and more enjoyable.

London broil is a versatile dish that pairs wonderfully with a wide range of sides. It is perfect for various occasions, from casual weeknight dinners to special gatherings. Here are several delicious serving suggestions to complement your London broil.

Roasted Vegetables

Roasting vegetables brings out their natural sweetness and adds a satisfying contrast to the savory richness of London broil. Consider roasting vegetables like:

1. Carrots: Their natural sweetness pairs perfectly with the beef.
2. Asparagus: The slight bitterness balances the meat's richness.
3. Brussels sprouts: When roasted, they take on a crispy, caramelized flavor that complements the steak.
4. Bell peppers and onions: These vegetables add a colorful, flavorful element to the plate.
5. Simply toss the vegetables in olive oil, salt, and pepper, and roast them at 400°F until tender and slightly caramelized.

Mashed Potatoes

Creamy mashed potatoes are a classic side that never goes out of style. They absorb the juices from the steak, enhancing the overall meal. You can make them traditional with butter and cream or twist them by adding roasted garlic, cheese, or fresh herbs like chives or rosemary for extra flavor.

Salad

A fresh, vibrant salad adds a refreshing contrast to the rich, juicy steak. Opt for a green salad with mixed greens, arugula, or spinach. Add tangy elements like tomatoes, cucumbers, and red onions, and dress it with a light vinaigrette or balsamic glaze. You can toss in ingredients like roasted beets, feta cheese, or avocado for a heartier option.

Rice or Quinoa

Consider serving your London broil over rice or quinoa for a more filling side. Both options are neutral enough to absorb the steak's juices and can be flavored with herbs, stock, or spices. A lemon zest quinoa or garlic butter rice would pair beautifully with the savory meat.

Grilled Corn on the Cob

Grilled corn adds a smoky sweetness contrasting nicely with the London broil's flavors. Brush the corn with butter, sprinkle with salt and pepper, and grill until lightly charred. For added flavor, experiment with chili powder, paprika, or fresh herbs.These sides and your perfectly cooked London broil will create a well-rounded and satisfying meal.

To ensure your London broil turns out perfectly every time, here are some essential tips to elevate your cooking technique:

1. Marinate for Maximum Flavor and Tenderness:

   A well-made marinade is the key to a flavorful and tender London broil. Marinate your steak for at least 4 hours, but overnight is ideal for the best results. This allows the flavors to penetrate deeply into the meat, and the acid in the marinade helps break down the fibers, making the steak more tender.

2. Choose the Right Cut:

   London broil is typically made with both lean cuts and flank steak or top round. These can be tough if not cooked properly, so marinating and cooking under high heat for a short time is essential to avoid overcooking and drying out the meat.

3. Bring the Steak to Room Temperature:

   Before cooking, allow your steak to rest at room temperature for about 30 minutes. This ensures even cooking, preventing the outside from overcooking while the inside remains underdone.

4. Use a Meat Thermometer:

   Use a meat thermometer to cook your London broil to the perfect level of doneness. For medium-rare, aim for an internal temperature of 135°F or 145°F for medium. Avoid guessing—precise temperature control will ensure a juicy, flavorful steak.

5. Don’t Skip the Resting Period:

   After cooking, let the steak rest for 5-10 minutes. This step is crucial because it allows the juices to redistribute, ensuring your steak stays moist and tender when sliced.

6. Slice Against the Grain:

   To make the meat easier to chew, slice it thinly against the grain (the direction of the muscle fibers). This cuts the fibers into smaller pieces, enhancing tenderness.

7. Customize Your Marinade:

   Don’t be afraid to adjust the marinade to your taste. Add extra sweetness with brown sugar or honey, or increase the acidity with more vinegar for a tangy flavor profile.

Customizing will make your London broil uniquely yours.

Following these tips, you’ll consistently cook a delicious, juicy London broil every time!

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