Salade Lyonnaise (Warm Frisée Salad with Bacon and Poached Egg)

Warm, sharp and satisfyingly savoury, salade Lyonnaise brings together the defining elements of a French bistro salad: bitter frisée or curly endive, crisp bacon lardons, crunchy bread croutons and a soft poached egg whose yolk enriches the dressing as it breaks. The Dijon and red wine vinegar vinaigrette keeps the dish lively, cutting through the bacon fat while lightly wilting the leaves. Often served as a substantial starter or light dinner, it works because every bite has contrast — crisp greens, salty bacon, toasted bread and a warm, silky egg.
Cuisine style French bistro cooking
Flavor profile Tangy • Savoury • Rich
Techniques Poaching • Sautéing • Warm vinaigrette tossing
Cooking style Minimal cleanup
Time commitment Under 30 minutes

Why this recipe works

  • Crisp and soft contrasts: Crunchy croutons and bacon balance the tender frisée and soft poached egg.
  • Sharp dressing, rich finish: Dijon mustard and red wine vinegar cut through the bacon fat and egg yolk without making the salad feel heavy.
  • Fast bistro-style cooking: The croutons, bacon and poached eggs are prepared in quick succession, making the salad practical for a weeknight meal.

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Timing notes

  • Serve straight away: The salad is at its best while the bacon is warm, the croutons are crisp and the egg yolk is still soft.
  • Prepare before cooking: Wash and dry the frisée, cut the bread and chop the shallot before starting; the cooking stage moves quickly.
  • Best eaten fresh: Once dressed, the leaves and croutons soften, so assemble only when ready to serve.

Authenticity notes

  • Lyonnaise style: This is a recognisable Lyon bistro salad built around bitter greens, lardons, a mustardy vinaigrette and a poached egg.
  • Warm bacon dressing: Tossing the warm bacon and pan juices through the salad is key to lightly wilting the frisée and rounding out the vinaigrette.

Ingredient notes

  • Choose sturdy bitter greens: Curly endive or frisée holds up well to the warm dressing and gives the salad its characteristic bite.
  • Use day-old bread if possible: Slightly stale crusty bread toasts more evenly and keeps a better crunch once tossed with the vinaigrette.
  • Adjust the vinegar to taste: Red wine vinegar gives a sharp, classic finish; sherry vinegar makes the dressing a little rounder and nuttier.

Texture tips

  • Dry the greens thoroughly: Excess water prevents the vinaigrette from clinging and makes the salad collapse too quickly.
  • Toast the croutons well: Let the bread cubes become deeply golden before removing them from the pan so they stay crisp after dressing.
  • Keep the poaching water gentle: A bare simmer helps the egg whites set neatly while keeping the yolk soft enough to enrich the salad.

Equipment you'll need

Ingredients
Instructions
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  1. Trim the curly endive, separate the leaves, then wash and dry well. Cut the crusty white bread into bite-size cubes. Cut the bacon into lardons and finely chop the shallot.
  2. Bring a saucepan of water to a gentle simmer. Crack the eggs into two small cups. Keep the water at a bare simmer while you cook the rest of the salad.
  3. Heat 1 tbsp of the olive oil in a large frying pan over medium heat. Add the bread cubes and cook for 4 to 6 minutes, turning often, until golden and crisp. Tip into a mixing bowl.
  4. In the same pan, add the bacon and cook over medium heat for 5 to 7 minutes until crisp and the fat has rendered. Add the shallot and cook for 1 minute until softened. Remove the pan from the heat.
  5. Whisk the Dijon mustard, red wine vinegar, remaining 2 tbsp olive oil, and black pepper in the mixing bowl. Add the curly endive and croutons, then toss to coat. Add the warm bacon and shallot (and any pan juices) and toss again so the leaves just start to wilt.
  6. Create a gentle whirlpool in the simmering water and slide in the eggs, one at a time. Poach for 3 minutes for a runny yolk, or 4 minutes for slightly firmer. Lift out and drain briefly.
  7. Divide the salad between two plates and top each with a poached egg. Serve straight away while warm.

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Recipe notes

Tips

  • Dry the curly endive thoroughly so the vinaigrette clings and the salad stays crisp.
  • Keep the poaching water at a bare simmer so the whites set neatly without breaking up.
  • Food safety: if serving runny-yolk eggs to pregnant people, young children, older adults, or anyone immunocompromised, use eggs stamped with the British Lion mark and cook to your preferred level of doneness.

Substitutions

  • Replace red wine vinegar with sherry vinegar for a slightly rounder, nuttier acidity.
  • Replace Dijon mustard with whole-grain mustard for a coarser texture in the vinaigrette.
  • Replace crusty white bread with sourdough bread for more chew and a deeper toast flavour.

Storage

  • Refrigerate up to 1 days
  • This salad is best eaten straight away. If needed, refrigerate the dressed salad and bacon separately from the poached eggs; reheat the bacon in a frying pan over medium heat and poach fresh eggs to serve.

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Recipe overview

  • Servings: 2 servings
  • Total time: 25min (22min active)
  • Difficulty: Medium
  • Cuisine: French
  • Allergens:
    Eggs Gluten Wheat

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