Sausage and leek casserole recipe

(493 ratings)

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Preparation Time10 mins
Cooking Time30 mins
Total Time40 mins
Nutrition Per PortionRDA
Calories853 Kcal43%
Sugar14.8 g16%
Fat50.3 g72%
Saturated Fat23.3 g117%
Salt3.63 gRow 4 - Cell 2
Protein26.0 g52%
Carbohydrates65.2 g25%
Salt3.63 gRow 7 - Cell 2

This family favourite this sausage casserole is quick to make and bound to please everyone. The mash is a tasty addition to the casserole.


  • 3 tbsp olive oil
  • 8 pork sausages
  • 1 Spanish onion sliced
  • 200g sliced leeks
  • 4 cloves garlic sliced
  • 2 sticks celery sliced
  • Small bunch of sage leaves, picked
  • 200ml white wine
  • 400ml passata
  • 400ml chicken stock
  • 2 bay leaves
  • Salt and cracked black pepper
  • Small bunch flat leaf parsley, chopped

For the mash

  • 800g potatoes, peeled and cut into 4
  • 100g butter
  • 300ml full fat milk
  • Salt and cracked white pepper
  • 1 bunch of chives finely chopped




  1. Preheat oven to 180ºC/350ºF. Fry the sausages in a casserole dish until golden brown, remove with a slotted spoon. You may need to do this in two batches.
  2. Add the onions, leeks, garlic, celery and sage and cook until the mix starts to brown slightly. Add the wine, stock, passata and bay leaves and then season with salt and pepper.
  3. Add the sausages back in, put the lid on and cook in the oven for 20 mins.
  4. Meanwhile, place your potatoes in a medium sized pan, cover with water and bring to the boil. Simmer gently for about 20 mins until cooked. Drain and mash the potatoes and add the butter and milk. Stir over a low heat until the butter has melted and the mash is piping hot. Season and add the chives. Set aside.
  5. Remove the casserole from oven, stir in chopped parsley and serve with the mash.

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Jessica Dady
Food Editor

Jessica Dady is Food Editor at GoodtoKnow and has over 11 years of experience as a digital editor, specialising in all things food, recipes, and SEO. From the must-buy seasonal food hampers and advent calendars for Christmas to the family-friendly air fryers that’ll make dinner time a breeze, Jessica loves trying and testing various food products to find the best of the best for the busy parents among us. Over the years of working with GoodtoKnow, Jessica has had the privilege of working alongside Future’s Test Kitchen to create exclusive videos - as well as writing, testing, and shooting her own recipes. When she’s not embracing the great outdoors with her family at the weekends, Jessica enjoys baking up a storm in the kitchen with her favourite bakes being chocolate chip cookies, cupcakes, and a tray of gooey chocolate brownies