Chicken and Leek Casserole Recipe with Dijon Mustard

Healthy chicken casserole

  • serves 2
  • Easy

This chicken, leek and Dijon casserole is really simple to make, is ready in under and hour and comes in at under 500 calories. What more could you want from a midweek meal?


Try this healthy chicken casserole, then check out our healthy chicken soup, healthy chicken stewhealthy chilli and more healthy one-pot recipes.



  • olive oil
  • whole skin-on chicken thighs 4
  • leeks 1, chopped
  • Dijon mustard 2 tsp
  • chicken stock 250ml
  • butter beans 210g tin, drained


  • Step 1

    Heat a little oil in a large deep shallow pan and fry the chicken all over until browned. Scoop out then add the leeks and fry until they soften. Stir in the mustard and stock and bring to a simmer. Tip in the butter beans and stir. Sit the chicken thighs skin-side up on top. Cover and simmer for 25-30 minutes. Scatter over the parsley before serving.

Check out more of our best chicken recipes here...

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Nutritional Information

  • Kcals 385
  • Fat 22.7g
  • Carbs 9.1g
  • Fibre 4.4g
  • Protein 25.8g
  • Salt 1.6g