Alsace's signature flatbread — paper-thin dough topped with fromage blanc, onion, and lardons, baked in a wood oven until charred.
Tarte flambée — Flammekueche in Alsatian dialect — is the most defining dish of France's eastern Alsace region, just a few kilometers from Germany. The dough is rolled paper-thin, then topped with a smear of fromage blanc and crème fraîche, paper-thin slices of onion, and small cubes of lardon, then baked in a wood-fired oven until the dough chars at the edges and the toppings bubble. The name 'flame-baked tart' refers to its original purpose: bakers tested the heat of their wood ovens with a quick-baking flatbread before loading the day's bread. The dish is eaten communally — torn into squares with the hands, slid across the table on a wooden board, paired with Alsatian Riesling or Edelzwicker. The closest comparison is Italian pizza, but tarte flambée is its own creature: no tomato, no cheese as we know it, and a much thinner shatter-crisp base.
Serves 4
Whisk flour and salt in a wide bowl. Add warm water and 2 tbsp oil. Mix to a shaggy dough, then knead 6 minutes until smooth and elastic. Wrap and rest 30 minutes — there's no yeast, so this rest just hydrates the flour.
Heat oven to its maximum (250-280°C) with a pizza stone or heavy baking tray inside for at least 30 minutes.
Whisk fromage blanc, crème fraîche, nutmeg, salt, and pepper in a small bowl until smooth. Should be the consistency of thick yogurt.
Toss onion slices with a generous pinch of salt. Let stand 10 minutes; they'll soften and release moisture. Pat dry on paper towel — wet onions make a soggy tart.
Cut the dough into 2 pieces. On a piece of parchment, roll each piece into a rough rectangle about 30×20 cm and 2 mm thick — paper-thin.
Spread a thin layer of the cream mixture over each rectangle, leaving a 1 cm border. Less is more — the cream should be a smear, not a layer.
Scatter sliced onions and lardons evenly. Brush the bare borders with a little oil.
Slide the parchment onto the hot stone or tray. Bake 9-12 minutes until the edges of the dough are deep brown to charred and the onions are golden, the cream bubbling.
Slide onto a wooden board. Cut into squares with a pizza wheel or scissors. Serve at the table immediately — diners help themselves with their hands. A glass of dry Alsatian Riesling on the side.
Roll the dough as thin as you possibly can — paper-thin is the rule.
Salt the onions and pat them dry — wet onions sog out the base.
Bake at the highest oven temperature you have — 280°C is ideal. A pizza stone helps massively.
Tarte flambée gratinée: add grated Gruyère for a cheesier version.
Tarte flambée Forestière: add sliced mushrooms in addition to onion.
Sweet version: skip onion/lardons; top with cinnamon-sugar-apple after baking — Alsatian apple tart.
Best the moment it leaves the oven. Reheats badly — the lacy crust softens.
Tarte flambée was a baker's test for oven heat in Alsatian villages from at least the 17th century — a quick-baking flatbread thrown in to check temperature. It became a tavern dish around 1900, then a celebrated regional specialty after WWII. Today's most famous flammekueche destinations are around Strasbourg and Colmar; the wood-fired version at Le Tire-Bouchon in Strasbourg is the canonical experience.
Traditional flammekueche dough is unyeasted — that's why it stays thin and crisp. Yeast makes it puffy, more like pizza.
A French fresh white cheese, somewhere between Greek yogurt and ricotta. Substitute drained ricotta if unavailable. Don't use cream cheese — too dense.
Per serving (280g / 9.9 oz) · 4 servings total
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