Tender, melt in your mouth slices of beef with a crispy crust in a rich and flavour packed gravy. Yes, this crispy roast beef is really cooked in the slow cooker. This is the perfect, fuss-free way to slow cook a beef joint and a great way to feed a hungry crowd. This Slow Cooker Roast Beef is going to become your go-to for an easy Sunday Roast.
Very little effort goes into preparing roast beef in the slow cooker, and it is definitely worth the wait for the cooking time. You get perfectly cooked melt in your mouth beef every time, but it is SO easy to make. It is literally fool-proof!
Leftovers are delicious in a beef sandwich too, so make more than you think you will need.
Simply prepare the beef (it makes all the difference) and pop it in the slow cooker for a few hours. We usually do this before we go out for our long Sunday walk, and come back to our meat ready to carve. Follow all our tips to find out how to cook the perfect beef in the slow cooker.
Don't just take our word for it though. Look at some of these amazing reviews for one of our most popular recipes!
Looking for more slow cooker meat recipes? Why not try our succulent Slow Cooker Lamb Shoulder, festive Slow Cooker Gammon or simple Slow Cooker Whole Chicken.
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Slow cooker beef ingredients and substitutions
- Beef joint - Don't think that you need to use anything expensive, as when you cook meat low and slow in a slow cooker it makes it really tender, even if it is a cheap joint. We used a topside beef joint as it cooks well in a slow cooker and it's also a really good value joint of meat. However you could use brisket (although this will fall apart more) or even a cheap roasting joint. Check out our Slow Cooker Beef Brisket Recipe. If you are in the US, then you will be looking for "top round" beef.
- Shallots - This helps to add loads of flavour to the gravy. We used shallots as they add a little sweetness, however, you could swap it for a small white onion and chop it up fairly small.
- Garlic - We always like to use fresh and crush our own, however you could use frozen or a jar of lazy chopped garlic.
- Beef stock - We used a stock pot and added some water to it. Try to use a really good quality stock pot, as it will really make a difference to the flavour of the gravy.
- Thyme - Beef and thyme is a delicious combination. You could swap it for fresh rosemary instead. Make sure it is fresh and not dried, as you just won't get the same flavour.
- Flour - This is what will thicken the gravy.
A full ingredients list with measurements is in the recipe card below.
How to make slow cooker roast beef - Step by step
One: Coat the beef joint in the flour so that it is all covered. Pat the beef dry before you season it and add the flour. The dryer it is, the more is will brown.
Two: Heat the oil in a pan over medium heat and brown the joint on all sides.
Three: Put in the beef in the slow cooker with the shallots, thyme and stock.
Four: Cook on low for 7 hours or high or 4 hours. Remove the beef and rest and then slice. Always slice the beef against the grain.
Five: To make the gravy, sieve the juices into a saucepan and then put on a gentle heat. Add a little cornflour (make a slurry first by removing a little liquid, mix in the cornflour to make a paste, and mix it back into the gravy) at a time, whisking, until it thickens.
If you want to add even more flavour to the gravy, then once you have taken the seared beef out of the pan, you can de-glaze it with either some stock or a glug of red wine. Once added to the pan, use a wooden spoon to scrape it and then pour it into the slow cooker.
What to serve with slow cooker roast beef
This epic slow cooker beef joint is a must when it comes to a Sunday roast dinner. But, what is a Sunday roast without all the sides? And do we have some side dishes for you! Take a look of some of these that go perfectly with our slow cooker roast beef.
Firstly, you need to start off with a vegetable based side dish. We love serving this with our Easy Roast Potatoes, Instant Pot Mashed Potatoes, The BEST Creamy Mashed Potatoes or Vegetable Mash.
Roast dinners can be quite heavy, so we like to serve them with lots of colourful vegetables on the side. Why not try our Easy Cauliflower Cheese, Slow Cooker Red Cabbage, Roasted Swede, Buttered Leeks, or Garlic and Parsley Roasted Carrots?
If we are going all our, or maybe it is a special roast dinner like on Christmas Day, then we like to make our Sage and Onion Stuffing and our easy Air Fryer Pigs in Blankets to go with it. Then smother it in our amazing Onion Gravy!
Slow cooked roast beef storage
In the fridge - You can store sliced roast beef in an air tight container in the fridge for up to 3 days.
In the freezer - Portion out your beef slices and then wrap the portions in foil or cling film and then put them in freezer bags. They can be kept for up to 3 months for maximum freshness.
Defrost: You can defrost it in the fridge overnight.
Reheat: You can reheat it in the oven. Make sure you reheat it on a low temperature (we do it at 170°C/(150°F(fan)/340°F/Gas 3) to stop it from drying out. For maximum juiciness, you can reheat it in some gravy in the oven.
What to do with leftovers
You are going to want to make more than you think you need, as the leftovers are amazing in a sandwich. We like the beef, with a little of the gravy, in between 2 slices of sourdough, with some horseradish, rocket lettuce and sun-dried tomatoes. Try our Leftover Roast Beef Sandwich recipe.
It also goes well shredded in a pasta bake. You could also use leftovers to make our Shredded Beef Tacos or Beef Burrito Bowl.
If you have any gravy leftover, you can wait for it to cool and then pour it into freezer bags and freeze flat.
FAQs
You don't have to, but we really recommend it as it adds such a depth of flavour. Depending on the size of your beef, it will only take about 10 minutes to do all side. Basically, you want to trigger the Maillard reaction. It is a chemical reaction between amino acids and reducing sugars that gives browned food its distinctive flavour. You don't have to though, and you can just throw everything into the slow cooker and leave it if you are really short on time.
There really is no rule here, just make sure that the beef joint you are using can fit in your slow cooker. We use a Crock Pot DuraCeramic Slow Cooker and we love it. What I love most about it is that you can put the bowl insert on the hob too. So, we thicken the gravy on the hob, in the slow cooker bowl. You can also sear the meat in it first. I also love that it has a clear lid, as I am so impatient that I want to keep looking and seeing what it is doing. If you don't have a clear lid, then lifting it to see will release lots of the heat and add to the cooking time.
As long as your slow cooker is working properly, you shouldn't have any problems with this beef being cooked. It cooks until it falls apart, so it's not one for people that like rare beef. But it is SO tender.
The best way to ensure that meat is fully cooked is to use a meat thermometer. Push it into the meat as close as possible to the centre (avoiding any bones) and leave it for 20 seconds before taking the reading. For rare beef it should read 50°C, medium 60°C and well done 70°C.
Yes, you can do some of the prep in advance. You can sear the meat and add it to the slow cooker with the rest of the ingredients and then allow it to cool fully and then put it in the fridge (in your slow cooker pot) for up to 24 hours. You can then put it on the next day, but it might take longer to cook as it will be cold straight from the fridge.
Yes, for best results you should let it rest. To do this, cover with foil and rest the beef for about thirty minutes. This is a great time to make your gravy.
The best gravy is made with the juices from the meat and that is exactly what you get with this recipe. Add to that the beef stock, fresh thyme, shallots and garlic and you have the most incredible base for a gravy.
Strain all of the liquid from the slow cooker and put it into a saucepan. Stir in a cornflour slurry (1 tablespoon cornflour mixed with a little of the liquid) and cook on low for 12-15 minutes until thickened.
More slow cooker recipes
If you’ve tried this slow cooked roast beef recipe, let us know how you got on in the comments below.
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Recipe
Slow Cooker Roast Beef (with Gravy)
Ingredients
- 1.5 kg (3.33 lb) Beef joint
- 1 Pinch Sea salt and black pepper
- 4 tablespoon Plain flour
- 1 teaspoon Olive oil
- 2 Shallots - diced
- 2 Garlic clove - crushed
- 500 ml (2 cups) Beef stock
- 10 g (0.25 cups) Fresh thyme
Instructions
- Coat 1.5 kg Beef joint in 4 tablespoon Plain flour so that it is all covered.
- Heat 1 teaspoon Olive oil in a pan over medium heat and brown the joint on all sides.
- Put in the beef in the slow cooker with 2 Shallots, 2 Garlic clove, 10 g Fresh thyme, 500 ml Beef stock and 1 Pinch Sea salt and black pepper.
- Cook on low for 7 hours or high or 4 hours.
- To make the gravy, sieve the juices into a saucepan and then put on a gentle heat. Add a little cornflour (make a slurry first by removing a little liquid, mix in the cornflour to make a paste, and mix it back into the gravy) at a time, whisking, until it thickens.If you want to add even more flavour to the gravy, then once you have taken the seared beef out of the pan, you can de-glaze it with either some stock or a glug of red wine. Once added to the pan, use a wooden spoon to scrape it and then pour it into the slow cooker.
Recipe tips
- Pat the beef dry before you season it and add the flour. The dryer it is, the more is will brown.
- If you want to add even more flavour to the gravy, then once you have taken the seared beef out of the pan, you can de-glaze it with either some stock of a glug of red wine. Once added to the pan, use a wooden spoon to scrape it and then pour it in to the slow cooker.
- You can add even more flavour to the gravy by cooking some chopped carrots and celery at the bottom of the slow cooker.
- Always slice the beef against the grain.
- You can swap the fresh thyme for rosemary instead.
- If your beef is still a bit tough after it is sliced, then you can put the slices back in the slow cooker in the gravy and cook for a further hour.
- How long you cook the beef for depends on how you like it done. The best way to check it is cooked to your liking is to use a meat thermometer. As a general rule, it should be 50°C for rare, 60°C for medium and 70°C for well done. It will carry on cooking as it rests though.
- If you have any gravy leftover, you can wait for it to cool and then pour it into freezer bags and freeze flat.
Nutritional Information
The nutritional information provided is approximate and is calculated using online tools. Information can vary depending on various factors, but we have endeavoured to be as accurate as possible.
Natalie
I never made roast beef in the slow cooker. Looks easy and the meat is delicious, tender, and perfect. I will give it a try. Thanks!
Jessie
I love Roast Beef and have a roast that I am needing to make. I will be giving this a try soon it sounds amazing.
veenaazmanov
Thanks for such a delicious recipe and best for my weekend planning. Looks Soft, juicy , flavorful and mouth melting .....Yum
April
This was so tender and juicy! I love how you included why it was so important to sear the roast.
Claudia Lamascolo
This roast must melt in your mouth fork tender! It looks amazing!
Beth
My family and I are going to love this recipe! I can't wait to give this a try! So excited!
Kechi
Isn’t the slow cooker one of the best appliances out there? I would love to make this ahead and use it for the entire week! YUM!
Tara
What a gorgeous roast beef! Love your photos and the minimal prep time. Such a great use of the slow cooker.
Anjali
I love easy slow cooker recipes!! This looks perfect for the holidays!
Katie
Made this for the family and it was a hit!
Jen
Making that little effort to sear the meat before really does make a difference. So delicious!
Maria
Beef roast on a Sunday is always a good idea. Thanks for sharing!
Danielle Wolter
Oh my, this was just perfect! Easy to make and I'll def be trying again for holidays!
Gina
Love how such a simple ingredient list can transform to something so delicious in the slow cooker, thanks for the great recipe!
Chris Collins
Love a roast beef! Your version looks so tender and juicy :)
Jess
This is my favorite meal to make for Sunday dinners. A no-fuss meal for a relaxing afternoon without skimping on taste.
Beth
This looks so delicious and full of flavor! I can't wait to give this a try! My family is going to love this recipe!
Alina
This is so good for dinner! I love slow cooked food, makes it more tender and flavorful
Carrie Robinson
Such a perfect dinner idea for winter time! :) Love that you made this in the slow cooker.
Luci
Your slow cooker roast beef is delicious! It is one of my new favorite recipes. I loved how the beef just melts in your mouth and the gravy paired with it was perfect. Such a wonderful flavor combo!