Lentilles du Puy with Dijon Vinaigrette and Soft-Boiled Egg

Few lentil salads feel as composed as Lentilles du Puy dressed with a Dijon vinaigrette. The small French green lentils keep their shape after simmering, giving the dish a firm, nutty bite rather than a soft pulse texture. Tossed while warm, they take on the sharp mustard-and-red-wine-vinegar dressing, with shallot and parsley adding freshness. A soft-boiled egg turns the salad into a satisfying lunch while keeping it light, the runny yolk enriching the tangy lentils without needing a heavier sauce.
Cuisine style French bistro-style salad
Flavor profile Tangy • Herby • Savoury
Techniques Simmering • Boiling • Emulsifying
Key equipment Saucepan • Mixing bowl • Whisk
Time commitment Under 1 hour
Cooking style Meal prep friendly • Make-ahead friendly

Why this recipe works

  • Sharp, balanced dressing: Dijon mustard and red wine vinegar give the lentils enough acidity to cut through the richness of the egg.
  • Good texture contrast: Puy lentils stay firm and separate, while the soft-boiled egg adds a creamy centre.
  • Practical for lunches: The dressed lentils keep well in the fridge, especially if the eggs are stored or cooked separately.

Get the most out of this recipe

Timing notes

  • Best serving temperature: Serve the lentils warm or at room temperature so the vinaigrette tastes lively rather than muted.
  • Use the simmer time: Prepare the vinaigrette, shallot, parsley and eggs while the lentils cook to keep the recipe efficient.

Ingredient notes

  • Choose lentils that hold their shape: Lentilles du Puy are ideal because they stay firm after simmering; softer lentils can turn the salad mushy.
  • Adjust the vinaigrette to taste: If the lentils taste flat after dressing, add a little more vinegar or seasoning while they are still warm.

Make-ahead tips

  • Keep the eggs separate: Store the dressed lentils in the fridge and add freshly boiled eggs when serving for the best texture.
  • Good the next day: The lentils continue to absorb the vinaigrette as they rest, making them especially useful for packed lunches.

Serving ideas

  • Serve with bread: Crusty bread works well alongside the lentils and helps catch the mustardy dressing.
  • Finish with freshness: A final scattering of parsley and black pepper keeps the salad bright and aromatic.

Equipment you'll need

Ingredients
Instructions
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  1. Put the lentils in a saucepan, cover with plenty of cold water, and bring to the boil. Reduce to a gentle simmer and cook for 20 to 25 minutes until tender but still holding their shape. Drain well and return to the warm pan for 1 minute to steam off excess water.
  2. Meanwhile, bring a small saucepan of water to the boil and lower in the eggs. Boil for 6 minutes for a soft centre, then cool under cold running water for 1 minute. Peel carefully and set aside.
  3. Finely dice the shallot and finely chop the parsley. In a mixing bowl, whisk together the Dijon mustard, red wine vinegar, fine sea salt and black pepper. Whisk in the extra virgin olive oil until emulsified.
  4. Add the warm lentils to the bowl and toss to coat so they drink in the vinaigrette. Fold through the shallot and most of the parsley, reserving a little to finish. Divide between two plates and top each with a soft-boiled egg, then scatter over the remaining parsley and a little extra black pepper if you like.

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Recipe notes

Tips

  • Dress the lentils while they are still warm so they absorb the vinaigrette more evenly.
  • For a neater soft-boiled egg, use eggs straight from the fridge and time the boil from when the water returns to a steady boil.
  • If you are pregnant, elderly, or immunocompromised, use eggs stamped with the British Lion mark or cook the eggs until the yolks are firm.

Substitutions

  • Replace red wine vinegar with white wine vinegar for a slightly lighter, cleaner acidity.
  • Replace Dijon mustard with whole-grain mustard for a coarser texture and milder heat.
  • Replace fresh parsley with fresh dill for a softer, more aromatic finish.

Storage

  • Refrigerate up to 3 days
  • Store the dressed lentils in an airtight container in the fridge. For best results, keep the eggs separate and boil fresh when serving; if already boiled, refrigerate and eat within 1 day. Bring the lentils to room temperature or warm gently, then top with the egg.

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Lentilles du Puy with Dijon Vinaigrette and Soft-Boiled Egg
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Recipe overview

  • Servings: 2 servings
  • Total time: 40min (20min active)
  • Difficulty: Easy
  • Cuisine: French
  • Allergens:
    Eggs Mustard
Beginner friendly Kid friendly

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