Flamiche aux Poireaux
BelgianSnack

Recipe Story

origins & traditions

Flamiche aux Poireaux is a beloved Belgian specialty originating from the French-speaking regions of Belgium. This rustic tart showcases the humble leek transformed into an elegant dish with a buttery, flaky crust enveloping a rich, creamy filling. The leeks are slowly cooked until meltingly tender, then combined with eggs, cream, and cheese to create a custard-like filling that perfectly balances savory and subtle sweetness. Unlike its French cousin the quiche, flamiche traditionally features a double crust, though modern versions often use a single crust for easier preparation. This versatile dish can be served warm or at room temperature, making it ideal for gatherings, picnics, or as a satisfying snack. The combination of buttery pastry and creamy leek filling creates a comforting dish that exemplifies Belgian home cooking at its finest.

Instructions

step by step
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  1. Preheat oven to 375°F (190°C).

  2. Roll out two-thirds of the pastry dough and line a 9-inch tart pan, leaving overhang. Prick the bottom with a fork and refrigerate.

  3. Trim and thoroughly wash leeks, then slice them into thin rounds (white and light green parts only).

  4. In a large skillet, melt butter over medium heat. Add sliced leeks and a pinch of salt. Cook slowly for 15-20 minutes, stirring occasionally, until very soft and translucent but not browned.

  5. Remove from heat and let cool slightly.

  6. In a mixing bowl, whisk together eggs, heavy cream, salt, black pepper, and nutmeg until well combined.

  7. Stir in the cooled leeks and half of the cheese.

  8. Pour the leek mixture into the prepared tart shell. Sprinkle remaining cheese on top.

  9. Roll out remaining pastry and cut into strips. Create a lattice pattern over the filling, or cover completely and cut small vents.

  10. Brush the pastry with a beaten egg for golden color.

  11. Bake for 40-45 minutes until the crust is golden brown and the filling is set.

  12. Let cool for 10 minutes before slicing and serving.

Flamiche aux Poireaux

4.3 (15)

A savory Belgian leek tart featuring a flaky pastry crust filled with tender leeks, cream, and cheese. This traditional dish from northern Belgium is perfect for snacking or light meals.

medium
1h 10m
8 servings

Ingredients

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Pastry

  • 2 1/2 cups flour, for pastry dough
  • 12 tablespoons butter, cold, cubed
  • 1 teaspoons salt, for pastry

Filling

  • 3 pieces eggs, divided use
  • 1 cups heavy-cream
  • 3 tablespoons butter, for cooking leeks
  • 1 1/2 cups cheese-swiss, grated
  • 1/2 teaspoons black-pepper, freshly ground
  • 1/4 teaspoons nutmeg, freshly grated
  • 1/2 teaspoons salt, for filling

Chef Tips

expert advice
For the best flavor, choose leeks that are firm with bright green leaves.
Make sure to wash them thoroughly as dirt often hides between layers.
The slow cooking of leeks is crucial - rush this step and you will lose the sweet, mellow flavor.
If you prefer a richer filling, substitute half the cream with crème fraîche.
For a traditional Belgian touch, use Gruyère or Comté cheese.
The tart can be made ahead and reheated gently.
For a lighter version, use milk instead of cream, though the texture will be less luxurious.
If making individual portions, use muffin tins and adjust baking time to 25-30 minutes.