Easy Slow Cooker Beef Casserole

I love using my slow cooker through the cooler months. Despite the Gold Coast still being quite warm I have got my slow cooker out from the bottom of the pantry and have started using it, as its just so handy to put on dinner at lunchtime and have it ready when you get home.

I serve this Quick Slow Cooker Beef Casserole with mashed potato. Sometimes I may use left over mashed potato from the night before, or quickly make it up just after we get home.

A quick and easy 5 ingredient beef casserole slow cooker recipe to warm you up on a winters night.

This really is a quick and easy meal with only 5 ingredients!


Quick Slow Cooker Beef Casserole

  • Author: Katrina Springer
  • Prep Time: 5 mins
  • Cook Time: 8 hours
  • Total Time: 8 hours 5 mins
  • Yield: 5


  • 1kg beef, diced
  • 2 onions, cut into wedges
  • 2 carrots, peeled and chopped
  • 3 tablespoons tomato paste
  • 3 tablespoons mustard


  1. Place all ingredients into slow cooker, stir to combine.
  2. Cook on low for 8 hours. Stir occasionally.
  3. Add beef to a bowl and spoon additional cooking sauce over the top.
  4. Serve with mashed potato.


Add additional vegetables such as snap peas, celery, capsicum, beans etc at step one, if desired.

Add additional herbs such as smoked paprika or thyme to boost flavour.

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This recipe was originally published on 10th May 2012.

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SLOW COOKER MONGOLIAN BEEF – Slow cooker recipes are perfect for nights you are busy, to come home from a long day and know there isn’t much preparation ahead for dinner is a relief.


EASY SLOW COOKED BBQ MEATBALLS – Need some easy dinner ideas that won’t take you long to prepare, this delicious slow cooked BBQ meatballs is really easy, take the stress from your evenings.


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Kimbo May 10, 2012 - 3:36 PM

going to give this one a try!

Rebecca Tinker May 10, 2012 - 3:48 PM

Beef Curry in our slow cooker tonight.  It smells yummy!

Lkj66 May 15, 2012 - 5:34 PM

Just got a Slowcooker for Mother’s Day….am I right in understanding that there is no real liquid in this recipe?

Katrina May 16, 2012 - 9:03 AM

No I didn’t use any liquid I found that after an hour or so juices appeared which then helped to cook the meat.

Marianne May 16, 2016 - 5:38 PM

Yes don’t ever be tempted to add liquid if the recipe doesn’t have any listed. Slow cooking produces a lot of liquid and juices from the meat. I have been caught out doing this before. ?

Fredshell May 27, 2012 - 9:01 AM

I am trying this today – will let you know how it goes !!!

Bchudson3 July 3, 2012 - 9:05 AM

I am trying this as we speak so will let you know tonight also…

Ange August 1, 2013 - 10:39 AM

How many litres is your slow cooker, Kat?

Katrina August 5, 2013 - 7:59 PM

Ange, I’m not sure off the top of my head but it is a big banquet size one.

kimelyse December 16, 2013 - 11:50 AM

I am really not a fan of tin tomatoes/paste but find it’s in all slow cooker recipes. is there anything i can substitute with?

Lisa July 22, 2014 - 5:55 AM

I made this for tea last night. To find a meal ALL 5 of us enjoy is a real find & this one was no acception! Everyone loved it, even my MIL was impressed when she taste tested, even more so that its not a ‘packet mix’! Thankyou for this recipe, will definately be making it again. Thinking next time we will add mushrooms too. Has anyone tried this?

Letitia Kowski January 21, 2015 - 6:20 PM

Made this tonight, what a fabulous easy meal and so delicious. I used french mustard, beautiful flavours. Thank you Katrina for your fabulous website.

Ali May 12, 2016 - 8:25 AM

Could you please tell me what cut of beef you use in the slow cooker beef casserole recipe?

Katrina - The Organised Housewife May 16, 2016 - 9:17 AM

Hi Ali, I use the precut diced beef from the supermarket.

Nicole June 7, 2016 - 8:24 AM

What type of mustard did you use?

Katrina - The Organised Housewife June 8, 2016 - 7:32 AM

I used wholegrain mustard as this is all I had in the fridge, however you can use Dijon if you prefer.

chicken recipes June 28, 2016 - 1:27 AM

Any oil needs proper disposal because it’s flammable and can cause
misery to small animals that come in contact with it. Explain that this 一边。。。一边 (yi bian’yi bian) structure is a commonly used expression to show when two
things are being done simultaneously. Apart from cooking, people use Olive oil in baking  as well.


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