How to Cook London Broil on a Charcoal Grill: A Complete Guide

If you're looking to master the art of grilling, how to cook London broil on a charcoal grill is a fabulous skill to start with. Whether you're a seasoned barbecue aficionado or a beginner eager to delve into the world of grilling, this guide promises to walk you through each step to achieve that mouth-watering, savory, and perfectly cooked London broil. With our detailed instructions, you'll become the grill master you always wanted to be.

What is London Broil?

The term 'London Broil' often perplexes many, but it isn't a specific cut of beef. Rather, it's a method of preparation. Typically, London Broil involves marinating a lean cut of beef, commonly a flank steak or a top round, before grilling. Once grilled, the meat is sliced against the grain, resulting in tender, flavorful pieces that are perfect for a hearty meal. When done correctly, a London Broil boasts a smoky, charred exterior balanced by a juicy, tender interior.

The Importance of Marinating

Marinating is essential when learning how to cook London broil on a charcoal grill. A good marinade not only infuses the meat with flavor but also helps to tenderize the fibers, making the steak more succulent. While there are myriad marinade recipes available, a classic one usually includes soy sauce, olive oil, lemon juice, and various herbs and spices. The key is to let the meat sit in the marinade for at least 4-6 hours, though overnight marination yields the best results.

Ingredients You Will Need

Essential Cookware and Tools

To get started, you'll need a quality charcoal grill. We recommend investing in a Barrel Charcoal Grill for its superior heat retention and ample cooking space. You'll also need a set of high-quality knives for slicing, and a Kettle 22-Inch Charcoal Grill for smaller cuts or vegetables.

Step-by-Step Preparation

Step 1: Prepare the Marinade

Combine all the ingredients listed in the marinade section in a large bowel. Mix thoroughly. Place your cut of meat into a resealable plastic bag or bowl, and pour the marinade over it. Ensure the meat is well-coated, then seal the bag or cover the bowl. Refrigerate it and let it marinate for at least 4-6 hours.

Step 2: Preparing the Grill

As your meat marinates, prepare your charcoal grill. Use high-quality charcoal for the best flavor. We recommend a mix of lump charcoal and briquettes for balanced heat and longer grilling times. Arrange the coals in a two-zone setup to allow for both direct and indirect grilling. Light the charcoal and let it burn until they are covered with a thin layer of grey ash. This will take around 15-20 minutes.

Step 3: Searing the Meat

Remove the steak from the marinade and pat it dry with paper towels to prevent flare-ups. Place the steak over direct heat on the grill. Sear each side for 3 to 4 minutes until you achieve a nice char. This initial searing step is crucial for locking in the juices and adding that delightful smoky flavor that makes charcoal grilling so irresistible.

Step 4: Indirect Grilling

Once the steak is properly seared, move it to the indirect heat zone. Cover the grill and cook for an additional 10-15 minutes, flipping the steak halfway through. Use a meat thermometer to ensure the steak reaches your desired level of doneness. For medium-rare, aim for an internal temperature of about 130F but not more than 135F. The steak will continue to cook slightly even after it's removed from the grill.

Step 5: Resting and Slicing

Transfer the steak to a cutting board and let it rest for 10 minutes before slicing. This resting period allows the juices to redistribute, making your meat more tender and juicy. When ready, slice the steak thinly against the grain. This technique reduces the length of the muscle fibers, resulting in bite-sized pieces that practically melt in your mouth.

Serving Suggestions

A well-cooked London broil pairs wonderfully with a variety of sides. Consider serving it with grilled vegetables, a fresh green salad, or classic mashed potatoes. Additionally, drizzling a bit of the reserved marinade (brought to a boil to kill any bacteria) over the sliced meat can elevate the flavors even more. This dish can also be used in sandwiches, wraps, or even as a topping for salads and stir-fries.

Cleaning and Maintenance

After your delicious meal, cleaning your grill and cookware is essential. For your grill, consider using a stainless steel cleaner to maintain its pristine condition. For your cutting boards, especially after slicing meat, a good cutting board conditioner can help keep them in tip-top shape.

By following these steps, you'll master how to cook London broil on a charcoal grill, impressing your friends and family with your newfound grilling expertise.

Make sure to follow all safety protocols for charcoal grilling, see grill safety tips here.

Check out more grilling tips and recipes here

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