
Slow Cooked Tender London Broil – This London broil recipe is super easy and absolutely melt in your mouth delicious. The flavor is slightly sweet but mostly savory. If you are looking for a tender, pull-apart London broil recipe that takes very little effort from start to finish, look no further!
Tools to have on hand:
- Dutch Oven
- Tongs
- Slow Cooker (If you are cooking this recipe in a slow cooker as opposed to the oven method)
- Measuring Cups and Spoons
- Chef Knife
- Cutting Board
You can serve this meat over mashed potatoes like I did or you can serve with steamed rice or vegetables. Below, I will link some of my favorite side dish recipes to serve along side your London boil.
People often ask “What cut of meat is London Broil” and the answer is typically a flank steak cut. So, be sure to look for either labels in the grocery store when purchasing your meat. This is a fairly cheap cut that can deliver big on flavor when cooked properly.
Because this is such a lean cut of meat with very little fat content, it can tend to be tough. That is one of the reasons I personally prefer to cook London broil low and slow because that is what makes the meat so tender and delicious.

What ingredients do I need to make this recipe?
- 1 1/2 – 2 lb. London Broil (typically top round or flank steak)
- 2 tbsp Ketchup
- 1 tbsp Red Wine Vinegar
- 2 Garlic Cloves minced
- 2 tbsp Brown Sugar
- 1/2 tbsp Worcestershire Sauce
- 3/4 cup Beef Broth
- 1 small Onion cut into 1″ chunks (red, yellow or white)
- 2 tbsp Butter
- 1 tbsp Olive Oil
- 1/4 tsp Salt
- 1/4 tsp Pepper
Frequently Asked Questions:
Q: What cut of meat is London Broil?
A: London broil is a lean cut of meat typically a “flank cut”. If you cannot find London broil in your local grocery store, look for fairly thick cut of flank steak or top round steak.
Q: Why did my London Broil turn out tough?
A: London broil is a tough, lean cut of meat! This is why I prefer to either cook the meat low and slow for a more tender for a pull-apart end result. OR I will cook this meat high and fast for medium-rare and thinly slice against the grain.
So, to ensure a tender end result, beware not to overcook, sear too long, and not to cook in an oven that is hotter than the recommended temperature.
Q: How to tenderize a lean tough cut of meat?
A: Lay the London broil flat on a cutting board and stab multiple times with a fork prior to cooking. You can also use a meat tenderizer but I prefer to use a fork because it doesn’t flatten the meat.
This tenderizing method will soften the muscle fibers in the meat prior to cooking which will give you a more tender end result. I have not used this tenderizing method in this recipe because I haven’t had the meat come out tough using this cooking method.

How to cook Tender Slow Cooked London Broil in the oven:
Preheat oven to 250 degrees.
Salt and pepper all sides of the London broil.
Combine red wine vinegar, ketchup, brown sugar, garlic, Worcestershire, and beef broth in a small bowl and set aside.
Heat a dutch oven over high heat and add butter and olive oil. Once the dutch oven is extremely hot, carefully add the London broil and sear on all sides (about 15 seconds on each side).
Remove dutch oven from heat. Add onions and pour sauce over the London broil. Cover and place in the oven for 2.5 hours.
Remove from oven and check on the meat, it should be very tender and easy pull apart with fork. If not, cover and cook for an additional 30 minutes or so.
How to cook this London Broil in a slow cooker/crockpot:
When you get to step 5: Transfer the London broil to a slow cooker instead of placing in the oven. Cook on low for 7-8 hours or on high for 3-4 hours.
Super delicious side dishes that pair perfectly with this recipe:
- Creamy Mashed Potatoes – Easy, creamy, buttery mashed potatoes sprinkled with fresh parsley. When it comes to mashed potatoes, the more butter the better!
- Baked Macaroni and Cheese – The creamiest, cheesiest mac and cheese baked to a golden perfection! What could be better?
- Honey Roasted Whole Carrots – Whole carrots seasoned with honey, olive oil, garlic, salt, pepper and fresh dill roasted to perfection in the oven.

If you enjoyed this recipe, here are some of my favorite slow cooked recipes I think you’ll love!
- Slow Cooker Pot Roast – Tender and delicious pot roast made in a slow cooker/crockpot with boneless chuck roast, carrots, celery and onion.
- Balsamic Brown Sugar Pork Roast – Tender and delicious pork roast slow cooked in a crockpot with a sticky balsamic brown sugar glaze.
- Chili with Chicken and Sweet Potato – A warm and cozy slow cooker chili full of delicious flavors like shredded chicken, sweet potato, beans, and warm spices.Β
- Crockpot Italian Meatballs – Easy and packed with flavor, these meatballs are so tender and delicious they melt in your mouth with every single bite.
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Slow Cooked Tender London Broil
Ingredients
- 1.5 lb. London Broil
- 2 tbsp ketchup
- 1 tbsp red wine vinegar
- 2 cloves garlic minced
- 2 tbsp brown sugar
- 1/2 tbsp Worcestershire sauce
- 3/4 cup beef broth
- 1 small onion cut into 1″ chunks
- 2 tbsp butter
- 1 tbsp olive oil
- 1/4 tsp salt
- 1/4 tsp pepper
Instructions
- Preheat oven to 250 degrees.
- Salt and pepper all sides of the London broil.
- Combine red wine vinegar, ketchup, brown sugar, garlic, Worcestershire, and beef broth in a small bowl and set aside.
- Heat a dutch oven over high heat and add butter and olive oil. Once the dutch oven is extremely hot, carefully add the London broil and sear on all sides. (about 15 seconds on each side).
- Remove dutch oven from heat. Add onions and pour sauce over the London broil. Cover and place in the oven for 2.5 hours.
- Remove from oven and check on the meat, it should be very tender and easy pull apart with fork. If not, cover and cook for an additional 30 minutes or so.
- When ready, serve with mashed potatoes, steamed rice or veggies.
Notes
This post was originally published on April 30, 2019 and updated on April 20, 2020.
Can you use a pressure cooker (instant pot) ? And if so how long would you say to cook it for ? Thank you
Could you tell me if the oven temp of 250 in your recipe is Fahrenheit or Celsius please.
Hi Kayelene, It is 250 degrees Fahrenheit.
My roast is 3 lbs. Should I double the liquids?
Hi Betty, Yes, that should be fine π
I made this 2 days ago. As promised it fell apart – yum! The sauce is so tasty.
I had it with rice and vegetables. There was enough leftovers for the next day so I heated in a pan and it was just as delicious.
Keep on cooking!
Hi!! Yay, I am so happy you loved it! Thank you!:) π
I changed a few things since I didn’t want it sweet, used chili sauce instead of ketchup, 1 Tbsp brown sugar, twice as much worchestershire sauce, more garlic. The taste was wonderful, but I did have to cook it longer in the crock pot – 6 hours on low then turned it up to high for the last 1 1/2 hours, cut it all up and put it back in the juices.
I marinated my London broil because I always broil it or grill it outside. Then I came across this recipe and I thought I would try baking it low and slow. It turned out so good. The flavor was amazing and when I went to slice it the meat just fell apart. Thanks for the recipe. Wrote it down and put it in my recipe box cuz I’ll be making it again and again and again…
Hi Caprice, I am so happy you enjoyed it!
What are the measurements?
Hi Michael, The measurements are above in the recipe box. You can also head to the top of the page and click “Jump to Recipe” Thank you.
VERY GOOD: made 2.3 lb London broil. 3 hour 10 minutes at 250F. Increased liquid ingredients by times 1.5. When done made gravy from liquid by whisking in two Tbspβs of flour.
Thank you for the recipe.
Wonderful! Easy & quick to prepare also! It was extremely tender and so delicious! Best ever!
Hi Elaine! Thank you so much! So happy you enjoyed this recipe.
I made this 2 weeks ago. For me, one of the best london broils I’ve made, soooooooo tasty!! Make it in the crock pot, fall apart scrumptious.
I have London broil strips in the freezer. Would that work in the slow cooker?
It depends on how thick the strips are. If they are thin you won’t want to sear the strips or they will turn out tough. If they are thin, I recommend putting them directly in the crockpot and skip the searing step.
This is a five-star recipe this was so easy and it is so good I didnβt change anything on it and we served with mashed potatoes just a sound absolutely delicious. Will definitely be making this again
This is a delicious recipie this is my 3rd time making it
I have this in my dutch oven right now, I haven’t tasted it yet but based off the smell of my house I’m giving it 5 stars. It smells SO GOOD!
I thought this was tasty, the beef was tender and pull apart fork tender. However, it reminded me of pot roast so you could use a cheaper cut of beef and get the same result
Top round is a very cheap cut of meat. Some places call it London Broil and add extra to the price. Same cut.
Can you double this recipe for 8 people. How long would that take.
Hi June. I’ve never doubled the recipe but it should be fine. Cook on low in a slow cooker for 7-8 hours or in the oven for 2 1/2 – 3 hours (250 degree oven)
My london broil is almost 3lbs. What is the best way to adjust for gravy and cooking?
I made this twice and the first time it was fall-apart tender and the second time it was dry and not tender at all. Anyone else have this happen?
I really never comment but I had to let you know that I made this wonderful meat two nights ago for my husband. I used sirloin cause that’s what I had and since I did not have a lot of time, I put it all in a pressure cooker for 25 minutes. It came out delicious. Thank you very much.
Hi Jeannette, I am so glad you liked this recipe π You are very welcome!
This is an excellent dish. I will be making this often. The beef is very moist.
I am happy you enjoyed it! π
How many servings is this?
3-4 servings π
Made this tonite. WOW, it is delicious. The gravy is the bomb! My husband raved about it.
Nice!! π
Can u use white wine vinegar instead of red?
I have never tried white wine vinegar in this recipe, but it should be ok π
Just made this last night and it was so delicious! I don’t have a dutch oven so I seared it in a pan and then placed it in a baking dish covered with foil for 3 hours in the oven. I cannot believe how tasty it was!!
Yay! So happy you loved it!
Can you make this in a slow cooker
Yes, on low for 7-8 hours. Or high for 3-4 hours.
What cut of meat is a London broil?
Typically a top round steak π
I made this. Delicious!!!!
Wow. Perfect. I was impatient and tried it after 2 hours. It was tender so I skipped the last hour. Thanks for such a wonderful recipe.
Thank you! I am so glad you liked it!! π
Do you add the garlic with the onion?
Hi Lucia,
Mix the garlic with the sauce in step 3. In step 5, add the onion and sauce before you place the London broil in the oven. π
My mouth is watering for this! I wonder how it would be if done in a crock pot? Sear the steak and throw everything in the crock for 7-8 hrs on low?
Yes! That would be delicious as well! Thank you π
Im doing that now! Canβt wait to taste it! Making mashed potatoes as i type!
Absolutely delicious – 5β dish! I baked it in the oven and it separated easily with a fork. Served it with baked asparagus fries – thanks for the recipe!