Leek flan with veggie bacon: cozy, ultra-simple weeknight dinner you’ll crave

02/10/2026

Reading time: about 2 minutes

SponsoriséCe flan de poireaux aux allumettes végé est le plat simple et réconfortant qu’on adore le soir

Looking for a simple, satisfying dinner? This savory leek flan blends the soft sweetness of leeks, the smoky notes of vegetarian allumettes, and the creamy binding of melted cheese. It’s easy to prepare, forgiving, and perfect with a crisp green salad.

Easy leek flan with smoked vegetarian allumettes — why it works

This dish sits between a crustless quiche and a light gratin. Leeks add gentle sweetness. Smoked veggie allumettes bring a bacon-like aroma without meat. Emmental melts into a silky texture that holds the flan together.

Practical for weeknights: assemble the batter in minutes, bake, and serve warm or room temperature.

Ingredients for four people

  • 5 white leek stalks, cleaned and trimmed
  • 150 g smoked vegetarian allumettes (vegetarian bacon strips)
  • 100 g grated Emmental or similar melting cheese
  • 50 cl (500 ml) milk
  • 100 g plain flour
  • 3 eggs
  • Salt and freshly ground pepper
  • Butter for greasing the dish

Step-by-step method for a foolproof flan

Preparation time: about 10 minutes. Baking time: roughly 40 minutes. Use an oven preheated to 200°C (400°F).

  1. Lightly whisk eggs and flour in a large bowl until smooth and lump-free.
  2. Heat a dry skillet and toast the smoked vegetarian allumettes until they release aroma. Remove and set aside.
  3. Slice leek whites into chunks. Place them in a microwave-safe dish with a splash of water. Cook about 8 minutes until tender.
  4. Roughly pulse the cooked leeks in a blender or chop them, then stir in the milk.
  5. Combine the leek-milk mix with the egg-and-flour base. Add the toasted allumettes. Season with salt and pepper.
  6. Fold in the grated Emmental so it distributes evenly.
  7. Butter individual ramekins or one larger baking dish. Pour in the mixture.
  8. Bake at 200°C for about 40 minutes, until the flan is set and the top is lightly golden. A knife inserted in the center should come out clean.

Quick tips to improve texture and flavor

  • For extra richness: replace up to 100 ml of milk with cream.
  • Stronger cheese: swap some Emmental for Comté or Gruyère for a nuttier flavor.
  • Spice lift: stir in a teaspoon of Dijon mustard or a pinch of nutmeg for subtle depth.
  • Individual portions: bake in small ramekins for portable lunches or elegant plating.
  • Make-ahead: the flan holds well chilled and can be gently reheated in the oven.

Variations and serving ideas

Change the greens: baby spinach or chard works well. Add texture with a handful of toasted nuts or a sprinkle of crunchy breadcrumbs on top before baking. Serve with a tangy vinaigrette-dressed salad to balance the creaminess.

Dietary swaps: use a plant-based milk and vegan cheese to keep the recipe vegetarian and dairy-free.

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