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Tartiflette is a French casserole layered with potatoes, cheese and caramelized onions.
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5 from 1 vote

Tartiflette (French Potato, Onion, and Bacon Casserole)

Tartiflette is a decadent French potato casserole made with creamy Brie and Gruyère cheese, caramelized onions, and bacon.
Prep Time15 minutes
Cook Time55 minutes
Total Time1 hour 10 minutes
Course: Main Course, Side Dish
Cuisine: French
Keyword: Frech potato casserole, French tartiflette recipe, tartiflette, tartiflette recipe
Servings: 6 servings
Calories: 477kcal
Author: Samantha Ferraro

Equipment

Ingredients

  • 2 pounds Yukon Gold potatoes peeled
  • 2 white onions cut into ¼ inch thick slices
  • ½ pound bacon cut into ½-inch pieces
  • ½ cup white wine
  • Fresh thyme sprigs
  • ¼ cup sour cream or crème fraîche
  • Salt and pepper to taste
  • 1 ½ cups shredded Gruyère cheese
  • Brie cheese sliced (remove some of the rind if desired)
  • 1 tablespoon butter for greasing casserole dish
US Customary - Metric

Instructions

  • Place the peeled potatoes in cold, salted water. Bring to a boil and cook until just fork-tender. Let cool slightly, then slice into thick rounds.
  • Preheat the oven to 375°F (190°C).
  • Next, in a skillet, fry the bacon pieces until just crisp. Remove and set aside on a paper towel lined plate.
  • In the same skillet, sauté the onions over medium heat until soft and lightly golden, about 15–20 minutes. Add fresh thyme and deglaze the pan with white wine, scraping up any browned bits.
  • Add the cooked bacon back into the onions, then mix in the sour cream and season with salt and pepper.
  • Grease a large casserole dish with butter and layer the potato slices on the bottom, then spread the onion-bacon mixture on top, followed by half of the shredded Gruyère. Repeat the layers, finishing with slices of Brie on top.
  • Bake in the preheated oven for 30–35 minutes, or until the cheese is melted and bubbling. Let rest for a few minutes, then serve.

Notes

    • Prep Ahead: Cook and slice the potatoes and caramelize the onions a day in advance to save time.
    • Bacon Fat: save some of the bacon fat in the skillet for caramelizing the onions.
    • Cheese Rind: Remove some of the Brie rind with a vegetable peeler so the cheese melts evenly.
    • Cheese: If Reblochon is available, try it for a more authentic flavor. Alternatively, Camembert or a triple-cream cheese works beautifully.
    • Wine-Free: If you’d prefer to skip the wine, deglaze the pan with chicken or vegetable stock.
    • Bacon: Pancetta or smoked turkey bacon make excellent substitutes.
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Nutrition

Calories: 477kcal | Carbohydrates: 31g | Protein: 18g | Fat: 30g | Saturated Fat: 13g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 11g | Trans Fat: 0.1g | Cholesterol: 72mg | Sodium: 515mg | Potassium: 818mg | Fiber: 4g | Sugar: 3g | Vitamin A: 449IU | Vitamin C: 33mg | Calcium: 374mg | Iron: 2mg