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slicing a smoked london broil
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Smoked London Broil

This smoked london broil can be made on any grill, smoker, or pellet grill including a Traeger, Weber, Masterbuilt, or Pit Boss.
The london broil is first simply seasoned and marinated overnight before getting smoked with indirect heat and then reverse seared to finish.
Prep Time 20 minutes
Cook Time 1 hour
Marinating Time 12 hours
Total Time 13 hours 20 minutes
Servings 4 Servings
Calories 350kcal
Author Mads Martigan
Cost $20

Equipment

  • Large shallow glass baking dish
  • Propane, Electric, or Charcoal Smoker -OR-
  • a Pellet Grill, Charcoal grill, or Gas grill with a smoker box or pellet tube smoker.
  • Hickory, Pecan, or Mesquite Wood chips, chunks, or pellets
  • Instant Read Thermometer
  • Broiler (Optional)
  • Foil Lined Baking Sheet (optional)

Ingredients

  • 1 2-3 lb London Broil

Marinade

  • ¼ Cup Vegetable Oil
  • 3 tablespoon Red Wine Vinegar can also substitute apple cider vinegar

Rub

  • 2 tablespoon Kosher salt
  • 1 tablespoon Fresh black pepper
  • 2 teaspoon Paprika
  • 1 teaspoon Garlic Powder
  • 1 teaspoon Onion Powder

Instructions

Marinate the London Broil Overnight

  • Remove the London Broil form the packaging and trim any excess fat from the edges. Place in a Large glass baking dish that can be covered.
    a raw london broil in a pyrex dish
  • Mix the rub ingredients together in a small bowl.
    mixing the rub for a london broil
  • Whisk the oil and vinegar together in another bowl and then pour over the london broil making sure to coat both sides well.
    marinating a london broil for the smoker
  • Generously season both sides of the london broil with the rub and place back in the glass baking dish, cover, and place in the refrigerator.
    putting seasoning rub on london broil before smoking
  • Let the london broil marinate for at least 2 hours, preferably overnight.

Set up the Grill or Smoker

  • Remove your london broil from the refrigerator but leave in the marinade until you are ready to place on the smoker.
  • Set up your smoker, pellet grill, or grill with indirect heat to 275°F.
    weber kettle charcoal grill set up for indirect cooking or smoking
  • When the smoker or grill is up to 250°F, add your wood chunks to the coals, or wood chips the tray or smoker box. Alternatively, you can add wood pellets to a pellet tube smoker. Place the smoker box or pellet tube smoker over the hot coals or burners.
    smoking wood on lit charcoal
  • When smoke begins to come out the vents, place your london broil on the grate, away from the direct heat if using a grill.
    a london broil on the smoker

Set up Broiler (Optional)

  • If you are using a grill, you can reverse sear the london broil directly on the hot side of the grill. However, if you are using a pellet grill or smoker that does not provide direct heat, preheat your broiler an place the top oven rack at its highest position.
    preheat oven for prime rib

Smoking the London Broil

  • Monitor your london broil internal temperature. After about 45-60 minutes your steak should reach an internal temperature of 100-110°F.
    internal meat probe reading 110 degrees

Reverse Searing the London Broil

  • Once the london broil reaches 100-110°F internally, either move it over to the HIGH direct heat side of the grill, or, place it on a foil lined baking sheet and position it under the preheated broiler.
    reverse searing a smoked london broil
  • Cook the steak with HIGH direct heat for about 2-3 minutes on each side

Rest, Slice, and Serve

  • Remove the smoked london broil form the direct heat and move it back to the indirect side of the grill or back into the smoker at 275°F until the internal temperature reads 130°F on an instant read thermometer for a medium level of doneness. (The internal temperature will rise another 5°F while resting.)
  • Remove the london broil from the grill or smoker and place on a large cutting board, uncovered to rest for 15 minutes before carving.
    resting a smoked london broil
  • Slice in thin strips, on a bias, against the grain of the meat with a good meat slicing knife. Serve immediately.
    carving a smoked london broil

Video

Notes

Video courtesy of Cooking with Rye.

Nutrition

Calories: 350kcal