Slow Cooker London Broil

User Reviews

5.0

33 reviews
Excellent
  • Prep Time

    20 mins

  • Cook Time

    8 hrs

  • Total Time

    8 hrs 8 mins

  • Servings

    6 servings

  • Calories

    623 kcal

  • Course

    Main Course

  • Cuisine

    American

Slow Cooker London Broil

My Slow Cooker London Broil always turns out moist and tender enough to fall apart. I cook it low and slow in a herb-infused gravy with vegetables and cream of mushroom soup, creating a comforting and flavorful meal my whole family loves.

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Ingredients

Servings
  • 5 lbs London Broil beef cut
  • 3 tablespoons canola oil
  • 1 onion quartered
  • 5 cloves garlic minced
  • 1/2 teaspoon ground thyme
  • 1/4 teaspoon red pepper flakes
  • 1/4 teaspoon salt or to taste
  • 1/4 teaspoon pepper or to taste
  • few bay leaves optional
  • 2 tablespoons Worcestershire sauce 
  • 1 cup red wine or beef broth
  • 2 cups beef broth
  • 1 can (10 1/2 oz) cream of mushroom soup condensed
  • 4 tablespoons unsalted butter diced
  • 10 mini red potatoes cut in half
  • 1 1/2 cups carrots cut into 2" chunks or use whole mini carrots

Optional Cornstarch Slurry:

  • 3 tablespoons cornstarch
  • 1/4 cup water
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Instructions

  1. First, pat dry beef with paper towels and season with salt and pepper on each side.
  2. Place a large cast iron pan or Dutch oven on the stove over medium-high heat. Once hot, add oil, and sear beef on all sides for about 1-2 minutes on each side, until golden brown in color.
  3. Transfer the meat to an 8 qt slow cooker. Add the rest of the ingredients, except carrots and potatoes, and add the butter last on top of the beef. Gently stir to combine.
  4. Put the lid on the crockpot and cook for 5-6 hours on high, or 8-10 hours on low.
  5. If you want to add carrots and potatoes, add them to the slow cooker when there are 2-3 more hours of cooking left. Cover and continue cooking until tender.

Optional Cornstarch Slurry:

  1. Combine cornstarch and water in a small bowl until cornstarch is fully dissolved. Add the mixture to the slow cooker when one hour of cooking is left. Gently stir. This will thicken the gravy. Check after 30 minutes, and if needed add more.
  2. Once done, transfer the London Broil to a serving platter and carve. Arrange the potatoes and carrots around the roast. Garnish with fresh chopped parsley and drizzle with the gravy before serving.

Notes

  • One thing I always make sure to do when making my Slow Cooker London Broil is sear the beef before adding it to the slow cooker. I used to wonder if it really made a difference, so I tested it both ways. The version with the seared meat had way more flavor and the texture was noticeably better. That golden crust helps lock in the juices and brings out a deeper richness in the final dish, so now I never skip it.
  • When I use baby potatoes, I keep them whole so they hold their shape and don’t get too soft during the long cook time.
  • If I’m not using red wine, I swap it with balsamic vinegar or just stick with beef broth. Both work great and still give the gravy that rich taste.
  • Since the veggies cook right along with the meat, I don’t even have to think about making separate side dishes. It all comes together in one pot.
  • If your piece of meat is smaller than mine, just shorten the cooking time a bit. I keep an eye on it toward the end so it doesn’t overcook.

Nutrition Information

Show Details
Calories 623kcal (31%) Carbohydrates 5g (2%) Protein 89g (178%) Fat 21g (32%) Saturated Fat 6g (30%) Cholesterol 231mg (77%) Sodium 935mg (39%) Potassium 1595mg (46%) Fiber 0g (0%) Sugar 1g (2%) Vitamin A 335IU (7%) Vitamin C 2.5mg (3%) Calcium 106mg (11%) Iron 8.2mg (46%)

Nutrition Facts

Serving: 6servings

Amount Per Serving

Calories 623 kcal

% Daily Value*

Calories 623kcal 31%
Carbohydrates 5g 2%
Protein 89g 178%
Fat 21g 32%
Saturated Fat 6g 30%
Cholesterol 231mg 77%
Sodium 935mg 39%
Potassium 1595mg 34%
Fiber 0g 0%
Sugar 1g 2%
Vitamin A 335IU 7%
Vitamin C 2.5mg 3%
Calcium 106mg 11%
Iron 8.2mg 46%

* Percent Daily Values are based on a 2,000 calorie diet.

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5.0

33 reviews
Excellent

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