Slow Cooker London Broil
Slow Cooker London Broil is one of those comforting dinners that turns an affordable cut of beef into a meal everyone looks forward to. The long, gentle cooking process creates fork-tender London broil with a rich, flavorful broth that’s perfect for spooning over mashed potatoes, egg noodles, or rice. Whether you’re feeding the family on a busy weeknight or making a cozy Sunday dinner, this slow cooker London broil recipe delivers big flavor with very little hands-on time.

– London broil isn’t always a specific cut of beef. It may be top round steak, flank steak, bottom round, or another good cut of meat that’s labeled as London broil.
– Replace the ketchup with tomato paste if you’d like a richer tomato flavor.
– Instead of red wine vinegar, use a splash of red wine or tart cherry juice.
– Add red potatoes or sweet potatoes directly to the slow cooker for a complete meal.
– You can also add brown sugar if you prefer a slightly sweeter gravy.
You can, but seared meat develops much richer flavor. It’s worth the extra few minutes.
Mashed potatoes, egg noodles, rice, Crusty bread or dinner rolls
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Ingredient Notes

- London Broil: The star of the recipe that becomes tender through slow cooking.
- Vegetable Oil: Used to create a flavorful crust while searing.
- Onions: Add sweetness and depth to the broth.
- Baby Carrots: Cook until perfectly tender alongside the roast.
- Garlic: Adds rich savory flavor.
- Beef Broth: Creates the base of the flavorful cooking liquid.
- Ketchup: Adds tomato richness and slight sweetness.
- Red Wine Vinegar: Brightens and balances the rich flavors.
- Worcestershire Sauce: Adds deep savory flavor.
- Cornstarch: Thickens the cooking liquid into a light gravy.
- Italian Seasoning: Brings classic herb flavor.
- Cayenne Pepper: Adds just a touch of warmth.
- Salt & Black Pepper: Season the roast and sauce.
- Bay Leaf: Infuses the broth with extra flavor during cooking.
- Fresh Parsley: Adds freshness before serving.
- Mashed Potatoes or Egg Noodles: Perfect for soaking up every bit of the savory gravy.

Slow Cooker London Broil
- Pat the roast dry with a paper towel and season with salt and black pepper. Heat vegetable oil in a large skillet over medium-high heat. Sear the beef for 3 to 5 minutes per side until browned. This extra step creates the best results by building flavor before slow cooking London broil.
- Place London broil into your 6-quart slow cooker.
- Add the sliced onions, carrots, and garlic around the roast.
- In a small bowl, whisk together the cup of beef broth, ketchup, red wine vinegar, Worcestershire sauce, cornstarch, Italian seasoning, cayenne, salt, and pepper.
- Pour the sauce over the top of the meat and add the bay leaf.
- Cover and cook on low for 6 to 8 hours, or until the roast is fork tender.
- Slice against the grain or shred the beef, then spoon the flavorful broth over the top before serving.

Slow Cooker London Broil
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Equipment
Ingredients
- 2.25 lb London broil
- 2 tablespoons vegetable oil to sear beef
- 2 medium onions sliced
- 2 cups baby carrots
- 4 garlic cloves minced
- 1 cup beef broth
- 3 tablespoons ketchup
- 2 tablespoons red wine vinegar
- 2 tablespoons Worcestershire sauce
- 1 tablespoon cornstarch
- 1 teaspoon Italian seasoning
- ΒΌ teaspoon cayenne pepper
- Salt and pepper to taste
- 1 bay leaf
- Fresh chopped parsley for topping
Instructions
- Pat the roast dry with a paper towel and season with salt and black pepper. Heat vegetable oil in a large skillet over medium-high heat. Sear the beef for 3 to 5 minutes per side until browned. This extra step creates the best results by building flavor before slow cooking London broil.
- Place London broil into your 6-quart slow cooker.
- Add the sliced onions, carrots, and garlic around the roast.
- In a small bowl, whisk together the cup of beef broth, ketchup, red wine vinegar, Worcestershire sauce, cornstarch, Italian seasoning, cayenne, salt, and pepper.
- Pour the sauce over the top of the meat and add the bay leaf.
- Cover and cook on low for 6 to 8 hours, or until the roast is fork tender.
- Slice against the grain or shred the beef, then spoon the flavorful broth over the top before serving.
Nutrition
Nutritional Disclaimer: Family Fresh Meals is not a dietician or nutritionist, and any nutritional information shared is only an estimate. We recommend running the ingredients through an online nutritional calculator if you need to verify any information.
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