Navarin d’Agneau (Spring Lamb Stew)

In French cooking, navarin d’agneau refers to a gently simmered lamb stew, lighter and more springlike than many long-cooked braises. Tender pieces of lamb shoulder are cooked in a savoury stock with tomato purée and thyme, giving a clear, rounded sauce rather than a heavy gravy. Carrots, new potatoes and peas are added in stages so they keep their shape, colour and sweetness. The result is a composed, comforting dinner: meaty and aromatic, but brightened by simple vegetables and a broth that is meant to be spooned generously over each serving.
Cuisine style French home cooking
Flavor profile Savoury • Herby • Light tomato broth
Techniques Browning • Gentle simmering
Key equipment Dutch oven
Cooking style Slow-cooked • Make-ahead friendly • Freezer-friendly
Time commitment Slow-cooked

Why this recipe works

  • Deep savoury base: Browning the lamb and briefly cooking the tomato purée build flavour before the stock goes in.
  • Gentle simmering: A low, steady simmer tenderises lamb shoulder while keeping the broth clear and well rounded.
  • Complete meal: Potatoes, carrots and peas cook in the stew, so it needs little more than bread or a simple green salad alongside.

Get the most out of this recipe

Authenticity notes

  • Classic simmered style: Navarin is typically a gently simmered lamb stew rather than a thick, heavy braise, giving tender meat and a clear savoury sauce.
  • Spring vegetable finish: Spring versions often include young potatoes, carrots, peas or other tender vegetables, added late enough to stay sweet and distinct.

Timing notes

  • Mostly hands-off cooking: The active work is browning the lamb and preparing the vegetables; most of the time is a quiet simmer.
  • Rest before serving: A short rest off the heat lets the broth settle and the lamb relax before serving.

Common mistakes

  • Do not crowd the lamb: Brown the meat in batches so it sears properly instead of steaming in its own juices.
  • Avoid a hard boil: A rapid boil can toughen the lamb and break up the potatoes; keep the stew at a gentle simmer.
  • Add peas at the end: Peas only need a few minutes, so add them late to keep their colour bright and texture tender.

Make-ahead tips

  • Good for making ahead: The flavour deepens after chilling, making this stew well suited to cooking a day in advance.
  • Freeze once cooled: Cool completely, then freeze in sealed portions and defrost overnight in the fridge before reheating.
  • Reheat gently: Warm on the hob until piping hot, adding a splash of stock if the sauce has thickened.

Equipment you'll need

Ingredients
Instructions
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  1. Cut the lamb into bite-sized chunks. Peel and cut the onion into wedges, then peel and finely chop the garlic. Peel the carrots and cut them into thick slices; halve any larger potatoes so they cook evenly.
  2. Toss the lamb with the plain flour until lightly coated. Heat the olive oil in a large casserole over medium-high heat, then brown the lamb in batches for 6 to 8 minutes, turning until well coloured. Transfer browned lamb to a plate as you go.
  3. Lower the heat to medium and add the onion to the pot, stirring for 5 minutes until softened and lightly golden. Add the garlic and cook for 1 minute until fragrant. Stir in the tomato purée and cook for 1 minute to take off the raw edge.
  4. Return the lamb to the pot and pour in the lamb stock, scraping up any browned bits from the base. Add the thyme, bring to a gentle simmer, then cover and cook on low for 45 minutes, stirring once or twice. Keep it at a quiet simmer so the lamb stays tender.
  5. Add the carrots, cover again, and simmer for 15 minutes. Add the potatoes and continue to simmer, covered, for 20 to 25 minutes until the lamb is very tender and the potatoes are just cooked through. If the stew looks too thick, add a splash more stock and keep the simmer gentle.
  6. Stir in the frozen peas and simmer for 3 to 5 minutes until bright green and tender. Remove the thyme sprigs, then taste and adjust the seasoning if needed. Rest the stew off the heat for 5 minutes before serving so the broth settles.

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Recipe notes

Tips

  • Brown the lamb in batches and avoid crowding the pot; good colour at the start gives the stew a deeper flavour.
  • Keep the stew at a gentle simmer rather than a rapid boil, which can make the lamb tough and break up the vegetables.
  • If serving vulnerable groups, ensure the stew is simmered until the lamb is fully cooked and piping hot throughout.

Substitutions

  • Replace Fresh thyme with 1 tsp dried thyme, added with the Lamb stock.
  • Replace Olive oil with vegetable oil for a more neutral flavour.

Storage

  • Refrigerate up to 3 days
  • Cool completely, then refrigerate in a sealed container for up to 3 days. Reheat gently on the hob until piping hot, adding a splash of Lamb stock if needed. Freeze for up to 3 months; defrost overnight in the fridge before reheating.

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Navarin d’Agneau (Spring Lamb Stew)
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Recipe overview

  • Servings: 4 servings
  • Total time: 2h (35min active)
  • Difficulty: Medium
  • Cuisine: French
  • Allergens:
    Gluten Wheat
One pot Freezer friendly Kid friendly

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