Classic Tartiflette from the Haut-Savoie
A rich, comforting casserole from the French Alps featuring waxy potatoes, smoky lardons, and caramelized onions baked until bubbling under a golden blanket of Reblochon cheese. This dish delivers a harmonious balance of savory, salty, and creamy textures that is perfect for a chilly evening.
A little context
Tartiflette originates from the Savoie region in the French Alps, historically created by the Reblochon cheese producers to use up their wheels of cheese. While the dish was popularized in the 1980s as a marketing stunt by the cheese consortium, it has since become a staple of Alpine winter cuisine. Authentic tartiflette relies on waxy potatoes, smoked lardons (or bacon), and the specific semi-soft, washed-rind Reblochon cheese, which must be sliced horizontally to melt into a cohesive sauce. It is traditionally served as a hearty main course during the ski season or cold winter gatherings.
Method
- 01
Preheat and prepare
Preheat your oven to 200°C (400°F). If your potatoes are very starchy, rinse the slices in cold water and pat them completely dry to prevent gummy textures.
- 02
Crisp the lardons
In a large skillet over medium-high heat, render the lardons or bacon until they are golden and crispy, about 5-7 minutes. Do not drain the fat; you will need this for the onions.
- 03
Sauté aromatics
Add the sliced onions to the skillet with the bacon fat. Sauté for 5-8 minutes until they are soft and translucent but not browned. Stir in the minced garlic and cook for another minute until fragrant.
- 04
Deglaze the pan
Pour in the white wine to deglaze the skillet, scraping up any browned bits from the bottom. Simmer for 2 minutes to reduce the alcohol slightly, then stir in the heavy cream and black pepper. Remove from heat.
- 05
Layer the casserole
In your baking dish, create a base layer of half the potato slices. Top with half the bacon-onion-cream mixture. Repeat with the remaining potatoes and the rest of the mixture, pressing down gently to compact the layers.
- 06
Bake the base
Bake uncovered for 25 minutes. The potatoes should be tender when pierced with a knife, and the sauce should be bubbling around the edges.
- 07
Add the cheese
Remove the dish from the oven. Arrange the Reblochon wheels (or slices) on top of the casserole, skin-side up. The rind should be left on as it becomes edible and flavorful when baked.
- 08
Final bake
Return to the oven for 10-15 minutes, or until the cheese is completely melted, bubbling, and the skin has turned a deep golden brown. Let it rest for 5 minutes before serving to allow the sauce to set slightly.
Pro tips
- ✦Do not grate the Reblochon; slicing it horizontally is crucial for the signature creamy texture.
- ✦If you cannot find authentic Reblochon, a high-quality Taleggio or a washed-rind Gruyère can work in a pinch, though the flavor profile will differ.
- ✦Waxy potatoes hold their shape better than starchy varieties like Russets, preventing the casserole from turning into a mash.
- ✦For a deeper flavor, roast the garlic cloves whole in the skillet before slicing them into the onion mixture.
- ✦Serve immediately while the cheese is still molten; the dish firms up significantly as it cools.
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Substitutions
- Reblochon cheese → Taleggio or washed-rind Gruyère (provides similar melt and pungency but lacks the specific Alpine terroir)
- Smoked lardons → Thick-cut smoked bacon (ensure it is sliced into batons rather than thin strips for better texture)
- Dry white wine → Chicken or vegetable broth (adds moisture without the acidity, though the flavor will be less complex)
Storage
Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the oven at 180°C (350°F) covered with foil to prevent the cheese from burning. Freezing is not recommended as the cream and cheese texture may separate upon thawing.
What to serve with it
- A crisp, dry white wine from the Savoie region such as Roussette or Jacquère
- A light green salad with a sharp vinaigrette to cut through the richness
- Crusty baguette for dipping into the melted cheese sauce
FAQ
Can I make this ahead of time?+
Yes, you can assemble the casserole up to the point of adding the cheese, cover it, and refrigerate for up to 24 hours. Add the cheese and bake as directed, adding 5-10 minutes to the baking time if cooking from cold.
Is the Reblochon rind edible?+
Absolutely. The rind becomes soft and flavorful when baked and is a traditional part of the dish. If you prefer, you can remove it, but it adds to the authentic texture.
Why is my tartiflette dry?+
This usually happens if the potatoes were overcooked before baking or if too much liquid evaporated. Ensure your cream mixture is generous and that you do not over-bake before adding the cheese.
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