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Creamy Chicken and Mushroom One‑Pan Casserole


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  • Author: Mia
  • Total Time: 55 minutes
  • Yield: 6 servings

Description

A comforting and creamy chicken and mushroom one-pan casserole made with tender chicken thighs, earthy mushrooms, and a rich, herby sauce. Perfect for a cozy dinner and easy enough for a weeknight meal.


Ingredients

  • 1 tbsp olive oil
  • 6 skin-on, bone-in chicken thighs
  • 1/2 tsp salt
  • 1/2 tsp pepper
  • 1 tbsp unsalted butter
  • 1 large onion, peeled and chopped
  • 3 cloves garlic, minced
  • 200 g (7 oz) chestnut mushrooms, sliced
  • 1 tbsp plain (all-purpose) flour
  • 180 ml (3/4 cup) dry white wine
  • 480 ml (2 cups) chicken stock
  • 1 tbsp Dijon mustard
  • 1 tsp dried thyme
  • 120 ml (1/2 cup) double cream (heavy cream)
  • 2 tbsp chopped fresh parsley

Instructions

  1. Preheat the oven to 180C/350F (fan).
  2. Heat the olive oil in a large oven-safe pan over medium-high heat. Season the chicken thighs with salt and pepper and place them skin-side down in the pan.
  3. Cook for 5-6 minutes until the skin is golden and crisp. Turn over and cook for a further 2 minutes. Remove from the pan and set aside.
  4. In the same pan, melt the butter. Add the chopped onion and cook for 3-4 minutes until softened.
  5. Add the garlic and mushrooms and cook for another 3-4 minutes, stirring often.
  6. Sprinkle in the flour, stir, and cook for 1 minute.
  7. Slowly pour in the wine while stirring, then add the chicken stock, Dijon mustard, and thyme. Bring to a simmer.
  8. Stir in the cream and return the chicken to the pan, skin-side up.
  9. Place the pan in the oven (uncovered) and cook for 25-30 minutes until the chicken is fully cooked and the sauce has thickened.
  10. Sprinkle with fresh parsley and serve.

Notes

  • Use boneless chicken thighs if you prefer, but reduce the cooking time slightly.
  • You can substitute white wine with extra chicken stock if desired.
  • Great served with mashed potatoes, rice, or crusty bread.
  • Prep Time: 10 minutes
  • Cook Time: 45 minutes
  • Category: Dinner
  • Method: Baking
  • Cuisine: British

Nutrition

  • Serving Size: 1 serving
  • Calories: 420
  • Sugar: 3g
  • Sodium: 600mg
  • Fat: 30g
  • Saturated Fat: 12g
  • Unsaturated Fat: 16g
  • Trans Fat: 0g
  • Carbohydrates: 8g
  • Fiber: 1g
  • Protein: 30g
  • Cholesterol: 145mg