Main Meals Slow cooker

Slow Cooker Sausage Casserole 

Now autumn is here I love to be able to use the slow cooker to make my family warming and nutritious slow cooked meals, packed with vegetables. I may occasionally wax lyrical about the convenience of throwing your ingredients in the pot in the morning and coming back after a day at work (or play) to a cooked meal. This is the perfect way to use up any vegetables lurking in the bottom of the fridge too.

Slow Cooker Sausage Casserole 

I make the basic slow cooker sausage casserole quite often for my family, as it is one of the children’s favourites, adapting it to whatever vegetables I have on hand, and sometimes adding a tin of cannellini beans or a handful of red lentils. We tend to serve it with pasta or rice as my two aren’t big fans of mash. It always goes down well and warms us up on a damp chilly day.

Slow Cooker Sausage Casserole
Prep Time
10 mins
Cook Time
8 hr
Total Time
8 hr 10 mins

Easy recipe for sausage casserole in your slow cooker, perfect for autumn and winter

Course: Main Course
Servings: 4 people
Author: bakingqueen74
  • sausages (preferably good quality this will prevent them from disintegrating the slow cooker during the long cooking time)
  • 2 red onions chopped
  • 1 yellow pepper chopped
  • 0.5 of large sweet potato chopped
  • 400 g tin chopped tomatoes
  • 1 tbsp tomato purée
  • 250 ml boiling water
  • 1 rich beef stockpot
  • 1 tsp dried rosemary
  • 2 tsp dried oregano
  • Cornflour to thicken if needed
  1. Brown the sausages on all sides over high heat in a dry pan. Place them in the slow cooker.
  2. Add the remaining ingredients, mix and cook on high for 4-5 hours or on low for 8 hours.
  3. An hour before serving, check if the sauce is thick enough. If not, make a paste using 1 tbsp cornflour and a little water, then stir the paste into the pot and let it cook for the last hour, to thicken.

 Slow Cooker Sausage Casserole 

Slow Cooker Sausage Casserole 

For more slow cooker recipes, including my lighter slow cooker lasagne and aubergine, mozzarella and pepper bake amongst many others including loads of slow cooker cakes and puddings, have a look in my Recipe Index. You might also like some of my other slow cooker recipes:




If you want some more ideas with sausages, check these out:

This is my entry this month for the Slow Cooked Challenge from Janice from Farmersgirl Kitchen (and me!). Do go and check it out for more delicious slow cooked recipes!


Pin my slow cooker sausage casserole recipe for later:

Slow Cooker Sausage Casserole - a delicious and easy family meal

23 Comment

  1. You are the slow cooker queen! I love the idea of this. Only really use my slow cooker for slow cooking meat but a casserole needs to be done. Looks so simple but yummy xx

      1. In Canada.
        I searched and found Knorr Beef Stock Pot – a concentrated beef stock in the UK. Not really / readily available here or the US. In Canada (but not the US) Unilever / Knorr sells Homestyle Stock Bouillon (a broth) which looks similar (and very high in sodium) and I have not seen in stores, though I will now look. Bouillon cubes – dehydrayed bouillon (Canada & US) / Stock cubes (UK) might be able to be made to work …

  2. I made this over the weekend and it was a winner with my DH who isnt much of a sausage casserole fan. He liked that it had sweet potato instead of regular. Trying the slow cooked lighter lasagne today!

  3. Made this tonight, I used cannelloni beans & red lentils as suggested and served with mash & broccoli. Love that you don’t have to do much cooking before putting everything in slow cooker! Quick, easy & delicious! My 2 young daughters even ate it – finally a meal I can cook that the whole family will eat! Look forward to trying some more of your recipes!!

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