Creamy Mustard Chicken Casserole in the Slow Cooker

Delicious creamy mustard chicken casserole cooked in a slow cooker, perfect for easy family dinners.

The weather is colder at the moment – so drag out that slow cooker and start making some delicious and nourishing casseroles!  This recipe for Creamy Mustard Chicken Casserole will become a household staple.

It is tasty and creamy and have your family’s mouths watering at the incredible smells your slow cooker will be making!

Note: You can substitute chicken thighs for chicken breasts or other chicken pieces. 

Cooking with chicken in the bone will not only save you lots of money (it is far cheaper to buy chicken pieces than it is to buy chicken breasts or chicken thighs) – but tastier as well!

Creamy Mustard Chicken Casserole in the Slow Cooker

Recipe by Stay at Home Mum
0.0 from 0 votes
Course: MainCuisine: AustralianDifficulty: Easy
Servings
+

4

servings
Prep time

10

minutes
Cooking time

4

hours 

40

minutes
Calories

300

kcal
Total time

4

hours 

50

minutes

Tender chicken cooked in a creamy mustard sauce in a slow cooker, creating a rich and comforting casserole.

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Ingredients

  • 1 kg Chicken Thighs

  • 1 Brown onion

  • 2 cup Chicken Stock

  • 2 Celery Sticks

  • 1 Carrot

  • 2 Cloves of Garlic

  • 3 tsp Seeded Mustard

  • 1 tbsp Plain flour

  • 1 tsp Olive oil

  • 150 ml Sour cream

  • 1 tsp Cornflour

Directions

  • Chop the carrots, celery and onions into small even pieces and place at the bottom of the slow cooker.
  • Mince the garlic and add to the vegetables.
  • Cut the chicken thighs into six even pieces.  Season each piece well with salt and pepper.  Pop in a plastic bag with the flour and mix to lightly cover the chicken.
  • Heat the olive oil in a frypan.  Cook the chicken in batches until browned.  Place the cooked chicken pieces in the slow cooker on top of the vegetable mix.
  • Return the empty frypan to the heat.  Add the 2 cups of chicken stock and the mustard.  Bring the liquid to the boil, then pour over the chicken mix.
  • Cook on LOW for four hours.
  • Turn off the slow cooker.  Dissolve the cornflour in a few tablespoons of hot water.
  • Add the sour cream and the cornflour mix to the slow cooker and mix until it thickens.
  • Serve immediately.

Notes

  • Serve the Creamy Mustard Chicken Casserole with mashed potato and steamed broccoli.
  • It is even better served the next day (after cooling and storing in the fridge overnight).
  • This recipe isn’t suitable for freezing.

author avatar
Clare Whitfield Chief Editor
Clare Whitfield is the Editor of Stay at Home Mum and a recognised voice in practical home management for Australian families. Based in the northern suburbs of Sydney, she balances editorial leadership with life as a stay at home mum to two school age children. Her background in home economics and more than a decade of experience in recipe development, family budgeting, and household systems inform her work.

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