Tartiflette (Potato Bake with Bacon, Onions and Reblochon)

Tartiflette brings the generous, cold-weather cooking of the French Alps into a simple potato bake: waxy potatoes, smoky bacon, softened onions and a creamy white-wine sauce finished under a blanket of Reblochon-style cheese. The dish is prized for its clear contrasts — tender potato slices, savoury lardons, sweet onion and a bubbling, golden top that melts into the layers beneath. Rich without being complicated, it works as a substantial dinner with a sharp green salad or as a sharing dish alongside pickles and crisp vegetables to cut through the cheese and cream.
Cuisine style Savoyard French comfort food
Flavor profile Rich • Savoury • Creamy • Cheesy
Techniques Boiling • Sautéing • Baking
Key equipment Oven • Large frying pan • Baking dish
Cooking style Crowd-friendly

Why this recipe works

  • Deep savoury base: Bacon, onions, garlic and reduced white wine build a rounded savoury flavour before the potatoes are layered.
  • Soft, rich centre: Cream and melting cheese coat the potato slices, giving the bake a generous, spoonable texture.
  • Classic alpine comfort: The combination of potatoes, smoked bacon and melted cheese makes this a hearty cold-weather main or sharing dish.

Get the most out of this recipe

Ingredient notes

  • Use waxy potatoes: Waxy new potatoes hold their shape better than floury varieties, keeping the layers defined rather than mash-like.
  • Choose a good melting cheese: Reblochon gives the most recognisable tartiflette character, but a ripe reblochon-style cow’s milk cheese should melt well and bring a similar savoury finish.
  • Keep the wine dry: A dry white wine helps balance the cream and cheese; sweeter wines can make the bake taste heavy.

Timing notes

  • Rest before serving: Let the tartiflette stand for 10 minutes after baking so the sauce thickens slightly and the portions hold together better.
  • Serve hot and bubbling: The texture is best when the centre is fully hot and the cheese is still molten, rather than left to cool for too long.

Common mistakes

  • Do not overboil the potatoes: Cook them only until just tender; they finish in the oven and need enough structure to hold the layers.
  • Avoid boiling the cream: Warm the cream mixture gently and take it off the heat once hot. Boiling can make the sauce split or turn greasy.
  • Check the centre is bubbling: A golden top is not enough on its own; the bake should be visibly bubbling at the edges and piping hot through the middle.

Authenticity notes

  • Savoyard roots: Tartiflette is associated with the Savoie region of the French Alps, where potatoes, cured pork and melting mountain cheeses are central to hearty winter cooking.
  • Traditional-style serving: A crisp green salad, cornichons or other sharp accompaniments work well because they cut through the richness of the cheese and cream.

Equipment you'll need

Ingredients
Instructions
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  1. Heat the oven to 200°C (390°F). Rub the baking dish with the unsalted butter.
  2. Put the new potatoes in a large pot, cover with cold water, and add 1 tsp of the fine sea salt. Bring to the boil, then simmer for 15 to 20 minutes until just tender when pierced with a knife. Drain well and leave to steam-dry for 5 minutes.
  3. While the potatoes cook, cut the bacon into lardons. Slice the yellow onion and finely chop the garlic.
  4. In a large frying pan over medium heat, cook the bacon for 6 to 8 minutes until the fat renders and the edges start to colour. Add the onion and cook for 8 to 10 minutes until soft and lightly golden. Stir in the garlic for 1 minute until fragrant.
  5. Pour in the dry white wine and simmer for 3 to 4 minutes, scraping up any browned bits, until reduced by about half. Stir in the double cream, the remaining 1 tsp fine sea salt, and the black pepper, then take off the heat as soon as it is hot but not boiling.
  6. Slice the potatoes into 5 to 7 mm rounds. Layer half the potatoes in the baking dish, spoon over half the bacon and onion mixture, then repeat. Pour over any remaining creamy pan juices.
  7. Cut the aged cow’s milk cheese into thick slices and lay over the top to cover most of the surface. Bake for 25 to 30 minutes until bubbling at the edges and deeply golden on top. Rest for 10 minutes before serving so the sauce thickens slightly.

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Recipe notes

Tips

  • Keep the potatoes just tender when boiling so they hold their shape in the bake and do not turn mushy.
  • If the top is golden before the centre is bubbling, loosely cover with aluminium foil for the last 10 minutes, then uncover to finish colouring.
  • For food safety, make sure the bake is piping hot all the way through before serving.

Substitutions

  • Replace Dry White Wine with dry sherry for a slightly richer, nuttier flavour.
  • Replace Double cream with single cream for a lighter sauce, but expect a looser finish.
  • Replace Bacon with smoked turkey for a lighter, less fatty result.

Storage

  • Refrigerate up to 3 days
  • Cool completely, then cover and refrigerate. Reheat in a 180°C (355°F) oven for 20 to 25 minutes until piping hot; cover with aluminium foil if the top browns too quickly.

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Tartiflette (Potato Bake with Bacon, Onions and Reblochon)
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Recipe overview

  • Servings: 4 servings
  • Total time: 1h 30min (25min active)
  • Difficulty: Easy
  • Cuisine: French
  • Allergens:
    Milk
Beginner friendly Kid friendly

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