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

In this French-style roast, a whole chicken is given a Dijon mustard coating that seasons the skin as it roasts, bringing gentle sharpness without overwhelming the meat. Thyme, garlic and shallots soften in the tray, enriching the juices, while dry white wine helps create a simple savoury pan sauce with depth and gloss. The result is familiar roast chicken with a more pronounced, bistro-like character: golden skin, juicy meat and a tangy-herby sauce for spooning over carved portions. It suits a relaxed Sunday dinner but is straightforward enough for any meal where the oven can do most of the work.
Cuisine style French home cooking
Cooking style Crowd-friendly • Hands-off cooking
Time commitment Under 2 hours

Why this recipe works

  • Built-in pan sauce: White wine, roasted shallots, garlic and chicken juices reduce into a savoury sauce without needing a separate stock.
  • Tangy but rounded: Dijon mustard cuts through the richness of the roast chicken, while butter and pan juices soften its sharpness.
  • Classic roasting method: Roasting the chicken over aromatics lets the meat stay juicy while the tray ingredients deepen in flavour.

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Timing notes

  • Rest before carving: Allow the chicken to rest for the full 10 minutes so the juices redistribute and the meat carves cleanly.
  • Serve after reducing the juices: Reduce the pan juices while the chicken rests, then serve the sauce warm with the carved meat.

Ingredient notes

  • Use a good Dijon: Dijon mustard is central to the flavour, so choose one with clean acidity and a smooth, savoury heat.
  • Fresh herbs suit the roast: Fresh thyme perfumes the cavity and roasting tray more gently than dried herbs, which can taste sharper on the skin.
  • Choose a dry white wine: A dry white wine keeps the sauce savoury and bright rather than sweet.

Common mistakes

  • Watch the mustard coating: Mustard can darken before the chicken is fully cooked; if it colours too quickly, reduce the oven to 190°C (375°F) for the final stage.
  • Check the thigh: Use a thermometer in the thickest part of the thigh and cook until it reaches 75°C (170°F).
  • Do not carve immediately: Cutting straight away releases more juices onto the board and can make the breast meat seem drier.

Make-ahead tips

  • Prep the aromatics early: Peel the shallots, halve the garlic and mix the mustard with the oil ahead of time, then coat the chicken just before roasting.
  • Freeze with sauce: Leftover carved chicken freezes best with a little pan sauce to help protect the meat as it reheats.
  • Reheat gently: Defrost overnight in the fridge, then reheat in a 180°C (355°F) oven until piping hot.

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Ingredients
Instructions
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  1. Heat the oven to 200°C (390°F). Pat the chicken dry, then season all over with the fine sea salt and black pepper.
  2. Mix the Dijon mustard with the olive oil. Rub it all over the chicken, then dot the unsalted butter over the top and tuck a few thyme sprigs into the cavity.
  3. Halve the garlic head across the middle. Put the shallots and garlic into a roasting pan, set the chicken on top, and scatter over the remaining thyme.
  4. Pour the dry white wine into the roasting pan around the chicken. Roast for 60 minutes, basting once or twice, until the skin is golden and the juices run clear; the thickest part of the thigh should read 75°C (170°F).
  5. Transfer the chicken to a board and rest for 10 minutes. Spoon off excess fat from the pan if needed, then pour the pan juices into a saucepan and simmer for 3 to 5 minutes until slightly reduced and glossy.

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Recipe notes

Tips

  • For the juiciest result, let the chicken rest the full 10 minutes before carving so the juices settle back into the meat.
  • If the mustard coating starts to darken too quickly, turn the oven down to 190°C (375°F) for the final 15 minutes.
  • Food safety: if serving to pregnant people, young children, older adults, or anyone immunocompromised, ensure the chicken reaches 75°C (170°F) at the thickest part of the thigh.

Substitutions

  • Replace Fresh thyme with Fresh rosemary for a more resinous, woodsy flavour.
  • Replace Dry White Wine with Dry Sherry for a richer, slightly nutty pan sauce.
  • Replace Olive oil with Virgin olive oil for a fruitier finish.

Storage

  • Refrigerate up to 3 days
  • Cool leftovers quickly, then refrigerate in a sealed container for up to 3 days. Freeze carved chicken with a little pan sauce for up to 2 months; defrost overnight in the fridge and reheat in a 180°C (355°F) oven until piping hot.

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

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

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