Poulet Rôti à la Moutarde (Roast Chicken with Dijon Mustard)

Poulet rôti à la moutarde brings a distinctly French, bistro-style treatment to a whole roast chicken: Dijon mustard, butter and thyme form a savoury coating that seasons the bird while helping the skin colour deeply in the oven. The mustard mellows as it roasts, giving the meat a gentle tang rather than sharp heat, while shallots and dry white wine collect the drippings beneath to make a simple pan sauce. Carved and served with the glossy mustardy juices, it feels special enough for a relaxed weekend lunch but remains practical for an everyday roast dinner.
Cuisine style French home cooking
Flavor profile Savoury • Tangy mustard • Herby
Techniques Roasting • Basting • Pan sauce reduction
Key equipment Oven • Roasting pan • Meat thermometer
Cooking style Crowd-friendly

Why this recipe works

  • Built-in pan sauce: Shallots and dry white wine roast beneath the chicken, catching the mustardy drippings and browned bits for a simple, savoury sauce.
  • Balanced richness: Dijon mustard cuts through the butter and roast chicken juices, giving the dish brightness without overpowering the meat.
  • Golden skin: Starting the chicken in a hot oven helps the skin colour well before the heat is lowered for gentler cooking.
  • Reliable doneness: Checking the thickest part of the thigh reaches 75°C (165°F) removes guesswork and helps avoid undercooking.

Get the most out of this recipe

Timing notes

  • Rest before carving: The 10-minute rest helps the juices settle, making the chicken easier to carve and less likely to dry out on the board.
  • Finish the sauce while it rests: Reduce the pan juices during the resting time so the chicken and sauce are ready to serve together.
  • Mostly hands-off cooking: The active work is mainly seasoning, coating and finishing the pan sauce; the oven does most of the work.

Ingredient notes

  • Use Dijon mustard: Dijon gives the roast its characteristic sharpness and smooth texture; milder yellow mustards will taste sweeter and less complex.
  • Choose a dry white wine: A dry wine keeps the pan sauce savoury and bright. Chicken stock is a practical alcohol-free alternative.
  • Soften the butter first: Soft butter blends more evenly with the mustard and herbs, making it easier to spread over and under the skin.

Common mistakes

  • Do not keep the oven too hot: The initial 200°C (390°F) heat helps colour the skin, but reducing to 180°C (355°F) prevents the mustard coating from darkening too quickly.
  • Do not rely on time alone: Use a thermometer at the thickest part of the thigh; the chicken should reach 75°C (165°F).
  • Watch the shallots: If the pan looks dry, add a small splash of water so the shallots soften instead of catching.

Serving ideas

  • Classic sides: Serve with roast potatoes, mashed potatoes, buttered greens or a crisp salad to balance the rich pan juices.
  • Use all the pan sauce: Spoon the reduced mustard-wine juices and softened shallots over the carved chicken just before serving.
  • Wine pairing: A dry white wine with good acidity works well with the mustard, herbs and roast chicken.

Equipment you'll need

Ingredients
Instructions
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  1. Heat the oven to 200°C (390°F). Pat the chicken dry, then season all over and inside the cavity with the salt and pepper. Put the chicken in a roasting pan.
  2. Mix the butter and Dijon mustard until smooth, then strip the leaves from 4 thyme sprigs and stir them in. Rub the mustard butter all over the chicken, including under the skin over the breast where you can. Tuck the remaining thyme sprigs into the cavity.
  3. Scatter the shallots around the chicken and pour the wine into the pan. Roast for 20 minutes, then reduce the oven to 180°C (355°F). Continue roasting for 40 to 45 minutes, basting once or twice, until the skin is deeply golden and the thickest part of the thigh reaches 75°C (165°F).
  4. Transfer the chicken to a board and rest for 10 minutes. Tip the pan juices and shallots into a saucepan and simmer for 3 to 5 minutes until slightly reduced and glossy, scraping in any browned bits. Carve the chicken and spoon the mustardy juices and shallots over to serve.

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Recipe notes

Tips

  • For the best colour and crispness, make sure the chicken skin is very dry before rubbing on the mustard butter.
  • If the pan looks dry at any point, add a small splash of water to prevent the shallots from catching.
  • If serving vulnerable groups, ensure the chicken is cooked to at least 75°C (165°F) in the thickest part of the thigh.

Substitutions

  • Replace Fresh thyme with fresh rosemary for a more resinous, woodsy flavour.
  • Replace Dry White Wine with chicken stock for an alcohol-free pan sauce.
  • Replace Unsalted butter with salted butter, then reduce the Fine sea salt by 0.5 tsp.

Storage

  • Refrigerate up to 3 days
  • Cool leftovers quickly, then refrigerate in a sealed container with the juices. Reheat in a 180°C (355°F) oven, covered, until piping hot; add a splash of water to loosen the sauce if needed.

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Recipe overview

  • Servings: 4 servings
  • Total time: 1h 25min (20min active)
  • Difficulty: Easy
  • Cuisine: French
  • Allergens:
    Milk Mustard
Beginner friendly Freezer friendly Kid friendly

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