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Creamy Mustard Chicken

Published: Jan 26, 2018 · Modified: Apr 30, 2026 by Jacqueline Bellefontaine ·

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creamy mustard chicken by recipes made easy

This creamy mustard chicken with baby potatoes is a simple one-pan dish with tender chicken and potatoes in a creamy mild mustard sauce.

The addition of potatoes to the casserole means that all it takes to make a complete main meal is a helping of green vegetables.

creamy mustard chicken in casserole dish placed on dining table.
  • Quick and Easy
  • One Pan
  • Family Favourite
  • Only 550 Calaries per serving

This is the type of family dish I really like to serve midweek when the evenings are a little cooler. It is quick and easy to make and, of course, very tasty. 

Despite its name, this dish is surprisingly low in calories and fat as I have used a low fat crème fraîche to give it its creamy taste and texture and then thickened it up a little at the end of the cooking time.

serving of creamy mustard chicken on a plate with peas and beans. Casserole pan behind.

Economical chicken dish

I have used chicken thighs to make this dish. Not only are they more economical, but they also tend to have more flavour than chicken breasts. You could also use whole chicken thighs or a mixture of chicken thighs and drumsticks if you preferred. 

Serving suggestion

Cooking the little salad potatoes in the casserole almost makes it a meal in one but I like to serve some green vegetables or carrots alongside.

Storeage/Left overs

Leftovers can be kept for up to 48 hours if you cool quickly and refrigerate after cooking. Keep in a covered container. Reheat over a low heat stirring frequently until piping hot.

Leftovers can be frozen for up to 3 months. However, if you are planning to make and freeze ahead, I would omit the potatoes as I find they tend to loose thier texture and become a bit watery when frozen. Simply boil until tender alongside reheating and add to the pan for the last 5 minutes or so.

How to make Creamy Mustard Chicken step by step

Step 1

browned chicken pieces and onion in casserole pan

Brown the chicken, then add the onion and cook until beginning to soften

Step 2

Potatoes and stock added to the pan.

Add the potatoes then the stock and crème fraîche.

Step 3

Mustard added to the pan.

Mix well and stir in the mustard and thyme if using.

Step 4

covering the pan with a lid.

Cover and simmer for 40 minutes.

Step 5

adding cornflour mixture to pan.

Mix cornflour with water and stir in. Cook until thickened slightly.

Step 6

pan with finished creamy mustard chicken ready to serve.

Serve.

Top Tip

Save on washing up and add some spinach to the casserole in the last few minutes of cooking for you added vegetable

pan with finished creamy mustard chicken ready to serve.

Creamy Mustard Chicken

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A quick to prepare chicken casserole flavoured with Crème fraîche and wholegrain mustard. Ideal for a mid-week family meal
Course Main
Cuisine English
Keyword one pan
Prep Time 15 minutes mins
Cook Time 40 minutes mins
Total Time 55 minutes mins
Servings 4 people
Calories 551
Author Jacqueline Bellefontaine

Ingredients

  • 1 tablespoon rapeseed or olive oil
  • 8 skinned and boned chicken thighs cut into chunks
  • 1 onion cut into thick wedges
  • 500 g (1lb2oz) small salad potatoes or baby new potatoes
  • 250 ml (9floz) low fat crème fraîche
  • 150 ml (¼pt)chicken stock
  • 1-2 tablespoon wholegrain mustard
  • few sprigs thyme (optional)
  • 1 tablespoon cornflour (US=cornstarch)
metric - US cups

Instructions

  • Heat 1 tablespoon oil in a deep frying pan or flameproof casserole with a lid. Add 8 chicken thighs and brown on all sides.
  • Reduce the heat and add the onion wedges. Cook for a few minutes until beginning to soften.
  • Add 500g potatoes to the pan, then stir in 250ml crème fraîche followed by 150ml stock, 1-2 tablespoons mustard and a few sprigs of frsh thyme if using.
  • Cover and cook for 40 minutes on a low heat until the potatoes are tender.
  • Mix 1 tablespoon cornflour with 1-2 tablspoons of cold water to form a smooth paste, then stir into the casserole. Cook stirring until the sauce thickens slightly. Serve with a scattering of fresh thyme leaves if desired.

Notes

Store
Leftovers can be kept for up to 48 hours in the refrigerator.  reheat until piping hot.
Can be frozen for up to 3 months.
 
Cooks Tip
However, if you are planning to make and freeze ahead, I would omit the potatoes as I find they tend to loose thier texture and become a bit watery when frozen. Simply boil until tender alongside reheating and add to the pan for the last 5 minutes or so.
 
Nutrition information is calculated using an online nutrition database - is approximate and is meant as a guideline only. (It does not include seasoning.)

Nutrition

Calories: 551kcal | Carbohydrates: 29g | Protein: 48g | Fat: 25g | Saturated Fat: 9g | Cholesterol: 248mg | Sodium: 356mg | Potassium: 1247mg | Fiber: 3g | Sugar: 4g | Vitamin A: 445IU | Vitamin C: 27.2mg | Calcium: 110mg | Iron: 3.1mg
Tried this recipe?Leave a comment or Mention @recipecrumbs or tag #RecipesMadeEasy

 

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pan of creamy mustard chicken ready to serve. Text over lay for Pinterest.

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About Jacqueline Bellefontaine

Jacqueline is a member of the Guild of Food Writers and has been a cookery writer and food stylist for over 25 years. She has written over 15 cookery books, in addition to writing for several major magazines. She likes to champion good basic home cooking and as the daughter of a master baker, she is passionate about home baking.

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Jacqueline Bellefontaine.

Hello I'm Jacqui
I believe that great tasting home cooking need not be hard work, so I like to write and cook recipes that are as easy as they can be. But I won't compromise on taste!

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