Home » Recipe Index » Dinner Recipes

Slow Cooker London Broil

Featuring tender roast beef, potatoes, carrots, and a flavorful broth, my slow cooker London broil is one of the best ways to whip up this classic and comforting main dish!

This post may contain affiliate links. If you click on a link and make a purchase, I may receive a small commission at no extra cost to you. For more information, please read my disclaimer.

ready to serve london broil with potatoes and carrots

If you’re familiar with the blog, you know how much I love my air fryer for quick and easy cooking.

And while I seriously can’t get enough of my favorite kitchen appliance, sometimes I like to break out my slow cooker instead.

It’s perfect for busy days when I know I won’t have a lot of time to spend in the kitchen.

I’ve already shared dishes like crockpot ham and cabbage soup, tri-tip in the crockpot, Mississippi chicken, stuffing and chicken in the crock pot, and of course my crockpot mac and cheese recipe.

Save This Recipe!
Enter your email and we'll send this recipe right to your inbox. Plus you'll get amazing recipes in our newsletter!
Please enable JavaScript in your browser to complete this form.

These are all wonderful main dish options, just like today’s recipe for crockpot London broil with vegetables!

Made with tender London broil roast and two types of veggies, and cooked in a beef stock broth, slow cooker London broil with potatoes and carrots is hearty and comforting.

Your kitchen will fill with appetizing aromas as it simmers — there isn’t much better than coming home to a fully cooked meal!

To be enjoyed with or without buttery noodles. 

Here’s what I’m going to teach you in this post:

  • The ingredients and equipment you’ll need to make this London broil crock pot recipe. 
  • How to make slow cooker London broil with potatoes and carrots at home.
  • Answers to commonly asked questions that may come up when you make my crockpot London broil with vegetables yourself.

Plug in the crockpot, gather your ingredients, and join me as I teach you how to make my London broil crock pot recipe!

It’s a dish that I make often — my family can’t get enough of it!

ingredients to make crockpot london broil

How to Make Slow Cooker London Broil

STEP ONE: Heat a bit of olive oil in a large skillet over medium-high heat. Season the beef with salt and pepper and sear for 1-2 minutes on each side. This step is optional, but searing the meat will help bring out its natural flavors!

STEP TWO: Pour the broth, water, and onion soup mix into a 6-quart crockpot and stir. Add the bay leaf, baby potatoes, and carrots, and season with a bit of salt and pepper.

overhead shot of crockpot

STEP THREE: Add the beef on top of the vegetables and cover. Cook on Low for 8-10 hours, or on High for 4-5 hours. 

STEP FOUR: Transfer the beef to a cutting board to rest before serving. Place the vegetables on a serving tray — leave the broth inside the crockpot for now. 

london broil in skillet

STEP FIVE: Whisk the cornstarch and water together until well-combined, then add the slurry to the broth and stir gently to mix. Set your crockpot to High and cook the gravy for 15-20 minutes to thicken it.

STEP SIX: Carve the beef and serve with your homemade gravy, vegetables, and noodles or rice if desired. Enjoy!

crockpot with london broil and potatoes

Should London Broil Be Cooked Fast or Slow?

I’m all about low and slow cooking! You’ll get tender and juicy results every time if you make London Broil in the slow cooker.

If you cook it at a too-high temperature, you’ll end up with dry, hard, and chewy meat. It’s just one of the reasons why I love this London broil crock pot recipe!

ready to serve london broil

Do You Need to Put Liquid in a Slow Cooker With Beef?

You do need to add a bit of liquid to the mix for your crockpot London broil with vegetables, but don’t feel like you need to completely cover it.

I typically add 1 cup of beef broth and 1 cup of water to mine. Both the beef and vegetables will release liquid and moisture as it cooks.

If you add more, you’ll end up with beef stew! Which, of course, is delicious but a totally different dish.

What’s the Best Way to Tenderize a London Broil?

If you follow my slow cooker London broil with potatoes and carrots recipe, you won’t have to worry about tenderizing the beef before you get started.

That’s the beauty of this low and slow cooking method! If you do roast yours in the oven, you can tenderize it by allowing the beef to marinate before popping it in the oven. 

Other Beef Recipes You’ll Love:

platter with london broil

What Happens If You Don’t Brown Meat Before Slow Cooking?

You’ll note that I mention browning or searing the meat before placing it in the crockpot is optional.

However, I will say that I almost always do! Browning the meat will bring out its natural flavors, and it also helps to ensure it cooks evenly.

It will also ensure that the beef doesn’t get too greasy as your slow cooker London broil cooks.

More London Broil Recipes

platter with london broil

Slow Cooker London Broil

Samantha Erb
My slow cooker London broil recipe will give you tender results every time! Full of beef and veggies and cooked low and slow in the crockpot.
4.41 from 81 votes
Prep Time 10 minutes
Cook Time 8 hours 15 minutes
Total Time 8 hours 25 minutes
Course Dinner Recipes
Cuisine American
Servings 4 to 6 servings
Calories 854 kcal


  • 2.5-3 pounds London Broil roast
  • Kosher salt to taste
  • Black pepper to taste
  • 2 tablespoons olive oil
  • 1 cup beef broth
  • 1 cup water
  • 1 envelope onion soup mix
  • 1 bay leaf
  • 1 ½ pounds baby potatoes
  • ¾ pound carrots chopped 1 ½-2 inch piece
  • 2 tablespoons cold water
  • 1 tablespoon cornstarch


  • (Optional) Heat olive oil in a large skillet set over medium-high heat. Season the beef with salt and pepper, then sear for 1-2 minutes on all sides.
  • Add broth, water, and soup mix to a 6-quart crock pot, stirring well. Add the bay leaf, baby potatoes, and carrots. Season the veggies with a bit of salt and pepper.
  • Place the beef on top of the veggies. Cover and cook on LOW for 8-10 hours or HIGH for 4-5 hours.
  • When ready to serve, transfer the beef to a cutting board to rest. Spoon the vegetables into a serving tray, leaving the liquids behind. Whisk together the cornstarch and water until well combined, then whisk the slurry into the gravy and gently stir. Turn up the heat to HIGH and cook for 15-20 minutes to thicken the gravy.
  • Carve the roast and serve with gravy and vegetables.


Serving: 1gCalories: 854kcalCarbohydrates: 32gProtein: 71gFat: 48gSaturated Fat: 18gPolyunsaturated Fat: 25gCholesterol: 264mgSodium: 715mgFiber: 4gSugar: 4g
Tried this recipe?Let us know how it was!


About Samantha

I’ve always had a love of cooking and creating new recipes, so it only made sense to create a food blog so I could share those recipes with you. This site is designed to provide easy and flavorful recipes with as little ingredients as possible. That means you still get great flavor combinations without all that extra time and effort. Read more...

6 thoughts on “Slow Cooker London Broil”

  1. This is the epitome of pure comfort food. I used the Ninja Foodi Smartlid slow cook function. That allowed me to sear the meat first. I followed your instructions almost to a T. I cook everything with wine and added 1/4 cup of port to the liquids. The meat we cut with a fork and everyone said they couldn’t believe this was cooked in a crock pot and not hours in an oven. Although it does take hours to slow cook, I’m not heating the kitchen and crock pots use less energy than ovens. Your recipes, Samantha, are always the best. I’ve never had a fail and I’m sure I won’t cooking your future recipes.

  2. 5 stars
    Tried it without bay leaves . I used high heat and got great meat,
    and veges thank you we’er old small pot feeds us good.

    • Hi Linda, Yes, you can put fresh or frozen green beans in place of the carrots. Green beans won’t take as long to cook though, so they can be added in about half way through the cook time. If you’d like to use canned green beans, they can be added in the last hour of cooking. Enjoy!

4.41 from 81 votes (79 ratings without comment)

Leave a Comment

Recipe Rating


as seen on promo graphic


as seen on promo graphic