Slow Cooker Sausage Casserole | Slimming World & Weight Watchers Friendly

The first thing to mention is that the syn value of this Slow Cooker Sausage Casserole will vary depending on the type of sausages you use. You could even make it syn free by using the Slimming World Syn-free Pork Sausages from Iceland.

Sausage Casserole | Slimming World & Weight Watchers Friendly

For the full list of ingredients and comprehensive instructions, please see the recipe card at the end of this post. Before you scroll, there’s important stuff in the blurb 👍

This classic one pot winter warmer is packed full of flavour. It’s so easy you can just throw it in the slow cooker in the morning and have it ready for dinner when you get in. You don’t even have to serve it with anything. There’s potato, butter beans and a fair bit of speed in there too. Of course there’s nothing to stop you adding even more!


This recipe makes quite a lot of casserole. So if you’re not going to use it all up in one sitting you can always keep it in the fridge for lunch the next day. Or you could pop it in the freezer and for another time.

Sausage Casserole | Slimming World & Weight Watchers Friendly

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Sausage Casserole | Slimming World & Weight Watchers Friendly

If you use something like M&S Skinny Range sausages, which are half a Syn per sausage it means this Slow Cooker Sausage Casserole will work out at 1 syn per portion.

However, you can use any sausage you like, just adjust the Syns accordingly.

The Instant Pot

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What can I say about the Instant Pot? It’s like a like a slow cooker/pressure cooker hybrid, and it’s probably one of our favourite, and most used kitchen gadgets.

Sausage Casserole | Slimming World & Weight Watchers Friendly

If you’ve never heard of it you really should go and check it out over on Amazon. Imagine the best Slow Cooker in the world, then times that by a hundred. There’s not much that it can’t do!

It’s a slow cooker and a pressure cooker, which means you could cook recipes like this Slow Cooker Sausage Casserole in no time at all.

Sausage Casserole | Slimming World & Weight Watchers Friendly

Remember the pressure cookers of old that would splutter and rock, and make all sorts of scary noises? None of that with the Instant Pot. Just set the time, close the lid and let it do it’s thing. The keep warm setting can be used to keep your food hot once it’s finished cooking! How good is that?

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Our Facebook group is growing by the day. If you haven’t joined yet head over there and take a look. You wouldn’t want to miss out on the fun would you?

Sausage Casserole | Slimming World & Weight Watchers Friendly

You might just find the inspiration you need from our awesome members. If you’ve joined already why not invite any friends that may find it helpful?

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Sausage Casserole | Slimming World & Weight Watchers Friendly

Votes: 52
Rating: 4.25
Rate this recipe!


Prep Time

Cooking Time

portion 10 minutes 5 hours



Slimming World 

391kcal 4

Smart Points (Flex/Freestyle)



Per portion Per portion Per portion
Suitable For Freezing icon Dairy Free icon
Please Note - If portions are changed, then points/values will not change and will need to be worked out by yourself. We're working on this!
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  1. Put all the ingredients except the sausages, butter beans and stock pot into the slow cooker. Stir well
  2. Add the sausages and give another quick stir
  3. Cook on High for 5 hours, or Low to Medium for 6 - 8 hours
  4. Check to make sure all the veg is cooked through. Stir in the butter beans and stock pot. Check the seasoning and add some salt and freshly ground black pepper if needed
  5. Allow to cook for another 20 - 30 minutes to heat up the butter beans, then serve

If you make this recipe, snap a pic and hashtag it #pinchofnom — We love to see your creations on InstagramFacebook, & Twitter!


We use a fan assisted oven for all of our recipes. Need help converting the temperature for your oven? 

Click here for our oven temperature conversion guide.

This recipe can be frozen, but please remember to do the following;

- Freeze it as soon as it is cold enough.
- Use a container or bag that is suitable for freezing.
- Defrost thoroughly before reheating (you can use the defrost setting on your microwave.)
- Make sure it is piping hot all the way through before serving.


Syn values given are correct at time of writing but may not always be accurate.

This website is UNOFFICIAL and in NO WAY part of or representative of Slimming World. 

We aren’t trained by Slimming World nor authorised to give Slimming World advice. Any advice given here should not replace the advice of your Slimming World consultant.

Ideally, you should check with Slimming world for the most up to date Syn values using official resources such as; the Syns calculator, Syns Online on LifelineOnline or by calling the Syns Hotline on (0906) 851 8518.

Although attempts to provide accurate nutritional information, these figures should be considered estimates. Varying factors such as product types or brands purchased, natural fluctuations in fresh produce, and the way ingredients are processed change the effective nutritional information in any given recipe. Under no circumstances will be responsible for any loss or damage resulting for your reliance on nutritional information.

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As our recipes change often in accordance with syn value changes, we want to ensure that they're as accurate as possible at all times. 

If you use or re-create our recipes we kindly ask:

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  1. This was lovely. With the leftovers I added Spinach and extra Butter beans. Making this for taster night this week at SW!

  2. Hi,

    What is the cooking method for an instant pot? I bought one on the back of your recommendation and I’ve only cooked with it once 🙈

    Many thanks,

    1. Hi Sue
      Yes, you can use whatever sausages you prefer, frozen or fresh. Just remember to adjust the Syns accordingly

    1. Hi Stephen
      Did you mean the Instant Pot? If yes, I would brown the sausages using the saute function first, then set aside briefly while you add the other ingredients to the pot. Put sausages back in and use manual setting for about 15 minutes. Hope this helps.

    1. Hi Jasmine
      This will work well in the oven. You’ll need an ovenproof casserole dish with a lid, or you can cover tightly with foil. It will take 1 – 1.5 hrs at around 180’C fan oven.
      Just keep an eye in case you need to add any more liquid, as it will evaporate more quickly than in the slow cooker.
      Hope that helps.

    1. Hi Gayle
      You can use passata, but you might also need to add some extra speed veg to bulk it out a bit, as you’ll be losing the bulk from the tinned tomatoes. 🙂

  3. Just made this with Linda McCartney sausages at 1/2 syn each. Used veggie stock and Henderson’s relish to make a delicious filling vegan meal. Enjoyed by the whole family 🙂

    1. Hi Dave
      No, step 1 says all ingredients except the sausages, butterbeans and stock pot!
      The butter beans are added once, at step 4. 👍🏻

  4. Made this today using Heck sausages, browned them before adding with the butter beans, absolutely delicious, Thankyou for another fab recipe 😊

    1. Hi Catherine
      If you scroll down to the recipe card at the bottom, you’ll see that the sausages are added in step 2. No need to brown them first! 🙂

    1. Hi Rebecca
      If you scroll down to the recipe card, you’ll see step by step instructions under the ingredients list.
      The recipe uses 250ml chicken stock, made using a stock cube. Then at step 4 you add the butter beans and a beef stock pot, straight from the ‘pod’, so no need to make it up with water. It’s to add extra flavour! 🙂
      Hope that helps. 🙂

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Slimming World Recipes
A blog started by 2 chefs on their Slimming World journey, evolving into an epic adventure shared by many!