I love this healthy sausage casserole and even better is that it is a slow cooker sausage casserole recipe I can leave in to cook while I am busy!

This in my opinion is the perfect fuss-free healthy slow cooker sausage casserole recipe! If you are looking for a Slimming World sausage casserole this unofficial recipe may be perfect.

Sausage casserole
Slow cooker sausage casserole

Just Average Jen is an independent blog. It is not connected with any weight loss plan. None of the contributors have received training from them or worked for them.

It is the reader’s responsibility to check nutritional values, such as Slimming World syn values and WW points. Additionally, they must check any other allowances, as any given are approximate.

Enjoying this recipe on a diet

If you follow Slimming World, Weight Watchers (WW), Noom or any other weight loss plan you can usually count the ingredients within this recipe in your allowances.

It is of course important to check yourself any plan you follow and remember all nutritional information and ingredients are found in the recipe card below.

What makes a good sausage casserole?

A great slow cooker sausage casserole is filling, full of flavour and fuss-free. In my opinion, this recipe is all three.

A filling recipe for those cold winter evenings when you make an Unofficial Slimming World sausage casserole slow cooker recipe so it is hot ready for when you get home.

Slow cookers are amazing for family meals like this Unofficial Slimming World sausage casserole when everyone is busy and all want to eat at different times. What do you make for the family in your slow cooker?

It is perfect to make such a huge variety of meals from curry to slow cooker casserole and even fudge! Check out my slow cooker article full of lots of recipes including this slow cooker sausage casserole.

slow cooker
Slow cooker

Slow Cooker Tips

Before you start to think about recipes with your slow cooker here are a few tips which may help.

If you find your meal is a bit watery take the lid off and turn it up high for half an hour this can help evaporate some of the water.

Using Slow cooker liners can save washing up if you are making something that often sticks.

Remember that nothing evaporates so you may need less liquid than in other recipes eg on the hob.

Chilli con carne
Chilli con carne

The importance of adding vegetables to your meals

If you follow Slimming World then you will know many vegetables are referred to as speed foods.

Vegetables are low in calories compared to their density. This essentially means that they fill you up with very few calories.

The more vegetables you have in a meal either as a side dish or mixed in with the meal itself the lower-calorie the meal tends to be. A filling but low-calorie meal is perfect for weight loss.

All my recipes, including this slow cooker sausage casserole, include vegetables where possible but do feel free to add more as an accompaniment when you can.

frying pan with spices
Frying pan with spices being gently fried to bloom

Why you should try this slow cooker sausage casserole

This recipe is so easy to make you could do it in your sleep, pretty much! Simply cook and brown the sausages if you prefer and add everything to slow cook while you get on with other things. It really is fuss-free!

If you have made this before and want to make a few adaptions then the ones I would suggest are:

Add cannellini beans for extra protein. This is a great addition for vegetarians or those trying to increase the protein in their diet.

Put it in a casserole dish to cook in the oven for a quicker dish, I would recommend around an hour depending on the dish you use.

Add a vegetable or beef stock cube for a bit of extra salt and flavour if you prefer.


Unofficial Slimming World Sausage casserole shopping tips

I try to ensure all of the recipes I make are accessible to everyone. By this, I mean that they do not use obscure hard-to-find ingredients.

I also believe that recipes should use as few ingredients as possible and avoid expensive ingredients.

We would all much rather spend money on holidays than expensive ingredients wouldn’t we?

Buying herbs and spices in bulk is something I really recommend. It can save a lot of money in the long term but also mean you never run out!

I find putting them on Amazon subscribe and save can help too!

Tomato infographic

Shopping around or using a comparison app to see which shops have offers on your usual products. It can make a big difference to your weekly shopping bill if the sausages you use in the sausage casserole are on offer for example.

Additionally don’t forget to check out the yellow sticker reductions and freeze what you can.

Frozen vegetables are nutritionally just as good as fresh usually so do keep an eye for those too to save money. They are often not as good in the slow cooker though as can go mushy so bear that in mind.

Do you have any particular frozen vegetables you love? Do share them with me it is always nice to hear people’s recommendations.

chopping fresh tomatoes
Chopped fresh tomatoes
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More recipes you may enjoy

Here are lots more slow cooker recipes you can try if you have enjoyed this slow cooker sausage casserole.

If you would like more chicken recipes to add to your meal plan then how about checking my chicken recipes guide including meals like Moroccan chicken casserole.

For the best sausages to use on Slimming World check my Slimming World sausages guide for lots of tasty ideas.

Which meal do you struggle with ideas for on Slimming World? I have lists of breakfast ideas and lunch ideas if that helps you. I have guides for chicken recipes, mince recipes and even lists of just perfect family recipes.

This is a great budget meal to make on Slimming World, you can find lots more here.

Moroccan chicken casserole
Moroccan chicken casserole

I have a lot of weight loss guides and support if you want to exercise including if you have a condition like fibromyalgia.

Have a good look around and see how I can help you achieve your weight loss goals. Request my free resources to get you started too!

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Sausage casserole

Sausage casserole Slimming World friendly recipe

  • Author: JustAverageJen
  • Prep Time: 10 Minutes
  • Cook Time: 4 Hours
  • Total Time: 4 hours 10 minutes
  • Yield: 4 People 1x
  • Category: Main meal
  • Method: Slow cooker
  • Diet: Low Fat


Tasty easy slow cooker sausage casserole that all the family will enjoy



8 Sausages Either Cooked separately or added at the beginning to the slow cooker)

600 grams Sweet potato chunks if making this suitable for SP use butternut squash instead

400 grams Baked Beans

400 grams Can of Chopped Tomatoes

500 grams Passata

5 Peppers – red, orange or yellow (deseeded and cut into bite size chunks)

3 Medium Red Onions (peeled and quartered)

300 Grams White Mushrooms (quartered)

1/2 TBSP Garlic Salt

2 TBSP Smoked Paprika

1 TBSP Ground Cumin


If you are making the casserole with different sausages, eg because I am vegetarian or people have different preferences then the sausages will need to be cooked separately and added in to each portion at the end.

Place all ingredients in the slow cooker and stir well.

Cook on high for 4 hours or low for 7-8 hours.

Keywords: Slimming World, sausages, casserole, syn free,

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