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French · Picardy

Flamiche aux Poireaux — Picardy Leek Tart

Flamiche aux poireaux is the signature savoury tart of Picardy — a rich, deeply flavoured creation where slowly sweated leeks are bound with egg custard and cream, encased in butter pastry, and baked until the filling is just set and trembling, the pastry golden and shattering. While quiche Lorraine has become universal, the flamiche remains a regional treasure, arguably the more refined tart — the leeks' gentle, onion-like sweetness creating a more complex and subtle filling than the smoky directness of lardons. The name derives from the Flemish vlaamse (Flemish), reflecting Picardy's northern influences. Prepare the leeks: slice 800g of leeks (white and pale green parts) into 5mm rounds. Melt 50g of butter in a wide pan and cook the leeks over medium-low heat for 20-25 minutes, stirring regularly, until completely soft, sweet, and reduced to about half their volume. They must not colour — any browning changes the tart's character from pure, sweet leek to something more assertive. Season with salt, white pepper, and nutmeg. Cool slightly. Line a 26cm tart ring with pâte brisée (or puff pastry for a lighter version) and blind-bake at 180°C for 15 minutes with beans, then 5 minutes without, until pale gold and dry. Spread the cooled leeks evenly in the shell. Prepare the custard: whisk 2 whole eggs with 2 yolks and 250ml of double cream. Season and pour over the leeks — the custard should fill to just below the rim. Bake at 170°C for 30-35 minutes until the surface is golden and the centre shows a gentle, trembling wobble. Rest 10-15 minutes before cutting. The filling should be silky and barely set, the leeks sweet and yielding throughout, the pastry crisp. Some Picardy versions use a double crust (both bottom and top), sealing the leeks inside — this transforms it from an open tart into a proper pie, served hot with a jug of cream on the side. The flamiche demonstrates that the simplest ingredients — leeks, butter, eggs, cream, pastry — in skilled hands produce something far greater than their sum.

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ServesFour portions
Total1 hour 30 minutes (plus 10–15 minutes resting)
Sourced0of 10 in BC
Cook
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I

The Market List

The benchmark for each ingredient, and who stocks it near you. Tap a stockist to go straight to the product.

For the tart shell
1 × 26 cm
pâte brisée (or puff pastry)
enough to line a 26 cm tart ring
Not yet stocked in British Columbia
as needed
dried baking beans
for blind-baking
Not yet stocked in British Columbia
For the leeks
800 g
leeks
white and pale green parts only, sliced into 5 mm rounds
Your own market
50 g
unsalted butter
Your own market
1 pinch
fine salt
Your own market
1 pinch
ground white pepper
Your own market
1 pinch
freshly grated nutmeg
Your own market
For the custard
2
whole eggs
Your own market
2
egg yolks
Your own market
250 ml
double cream
Your own market
II

The Method

1
Melt the butter in a wide, heavy pan over medium-low heat. Add the sliced leeks and cook, stirring regularly, for 20–25 minutes. The leeks must collapse to roughly half their raw volume and become completely soft and sweet. They must not colour at any point — the moment the pan shows any browning, reduce the heat immediately. Season with salt, white pepper, and nutmeg. Remove from heat and allow to cool slightly.
2
Line a 26 cm tart ring with the pâte brisée. Blind-bake at 180 °C with baking beans for 15 minutes, then remove the beans and bake a further 5 minutes. The shell is ready when it is pale gold and the base feels dry to the touch.
From the canon — The French shortcrust pastry — flour, cold butter, salt, sugar (for sweet tarts), and cold water, worked minimally until the butter is reduced to pea-sized p… Pâte Brisée →
3
Whisk the 2 whole eggs and 2 yolks together with the 250 ml of double cream. Season with salt and white pepper.
4
Spread the cooled leeks evenly across the blind-baked shell. Pour the custard over them; it should fill the shell to just below the rim.
5
Bake at 170 °C for 30–35 minutes. The tart is done when the surface is golden and the centre retains a gentle, trembling wobble when the tin is moved. A custard that has set rigid has been taken too far.
6
Rest the tart on a rack for 10–15 minutes before cutting. Serve warm, never hot. The filling should be silky and barely set, the leeks sweet and yielding throughout, the pastry crisp and shattering.
III

Quality Hierarchy

01
Reserve — Garden-grown or farmers'-market leeks of the slender, forced variety; Norman double cream of maximum fat content; a hand-made pâte brisée enriched with the best unsalted butter; a few gratings of aged Maroilles from Picardy itself folded into the custard for funky, regional depth.
02
Estate — Good supermarket leeks selected for firm, unblemished white stems; branded double cream at 48% fat; a reliable bought pâte brisée block, rolled to order; seasoning with fresh-grated nutmeg rather than pre-ground.
03
Market — Standard leeks trimmed of coarse green tops; long-life double cream; a chilled ready-rolled shortcrust sheet; pre-ground white pepper and jar nutmeg — honest everyday material that still produces a correct flamiche.
04
House — Frozen shortcrust pastry; whipping cream in place of double cream; whole eggs only without the additional yolks — the custard will lack the richness and silkiness the dish requires, but the form is preserved.
IV

Sensory Tests

◇Sight. Leeks have collapsed to half their raw volume, appear glistening and soft, and show no trace of golden or brown colouring anywhere in the pan.
◇Touch. Blind-baked pastry base feels dry and firm underfoot when pressed lightly with a fingertip — no damp or raw patches.
◇Sight. Baked tart surface is evenly golden; the centre, when the tin is gently shifted, shows a slow, trembling wobble rather than a liquid ripple or a rigid set.
◇Touch. After resting, a slice holds its shape cleanly but yields under slight pressure — silky and barely set, not rubbery.
◇Where it lives or dies. The leeks must sweat for the full 20–25 minutes over medium-low heat without taking any colour — browning shifts the flavour from pure, sweet allium to something assertive, and no amount of careful custard work will recover the tart's character thereafter.
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VI

What to Pour

The pairing
Charles Joguet Chinon Clos de la Dioterie
Domaine Charles Joguet · Chinon
Not yet stocked in British Columbia
Wine
From British Columbia
Fort Berens Riesling
Fort Berens Estate Winery · Lillooet
Not yet stocked in British Columbia
Wine
Without alcohol
GT's Synergy Organic Kombucha — Gingerade
Not yet stocked in British Columbia
Non-alcoholic

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The whole pairing
Pillar VII
Origin and lineage are part of membership.
Where the dish comes from and how it came to be — on every recipe.
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