Crispy tartiflette rosti with sage

5.00

This is a Swiss-inspired version of tartiflette where crispy potato rösti is topped with traditional tartiflette ingredients: gooey Reblochon cheese, crispy lardons, and caramelised onions.

First published in 2024

Funded by the European Union. Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union or FranceAgriMer. Neither the European Union nor the granting authority can be held responsible for them.

Ingredients

Metric

Imperial

Rösti

Tartiflette topping

Garnish

Method

1

First make the rösti. Peel and grate the potatoes using a coarse grater. Place the grated potatoes in a clean kitchen towel and squeeze out as much moisture as possible

  • 800g of potatoes, a waxy variety, such as Charlotte or Yukon Gold
2

Mix the grated potatoes with the onion, flour and egg. Season generously with salt and freshly ground black pepper

3

In a large frying pan, heat the butter and vegetable oil over medium heat

4

Add the potato mixture to the pan, pressing it down with a spatula to form a large, flat pancake. Cook for 8–10 minutes on one side until golden and crispy

5

Carefully flip the rösti using a large plate or lid to assist. Cook the other side for another 8–10 minutes until both sides are crispy and golden brown. Remove from the pan and set aside

6

For the tartiflette topping, melt the butter in the same frying pan over medium heat. Add the onion and sauté until softened and browned, about 10 minutes

7

Add the garlic and cook for an additional minute until fragrant. Remove the onions and garlic from the pan and set aside

8

Cook the bacon lardons in the same pan until crispy. Remove the lardons and set aside

9

Return the onions to the pan. Add the crème fraîche and white wine, stirring to combine. Cook for 2–3 minutes until the mixture thickens slightly. Season with freshly ground black pepper to taste

10

Preheat the oven to 180°C fan

11

Place the cooked rösti on a baking sheet or in an oven-safe dish

12

Spread the onion, garlic and crème fraîche mixture evenly over the rösti

13

Sprinkle the crispy bacon lardons over the top

14

Arrange the slices of Reblochon cheese evenly over the bacon and onions

  • 200g of Reblochon cheese, or similar soft, washed-rind cheese, sliced
15

Transfer the rösti to the preheated oven and bake for 10–15 minutes, or until the cheese is melted, bubbly, and slightly golden

16

If needed, switch to the grill setting for the last 2–3 minutes to achieve a more golden and crispy cheese topping, watching carefully to prevent burning

17

Meanwhile, heat the olive oil in a small pan then fry off the sage leaves until crispy. Take care as they will spit when you add them!

18

Drain the sage leaves a piece of kitchen paper then season with salt

19

Remove the crispy tartiflette rösti from the oven and let it cool slightly before slicing

20

Serve warm, alongside the cornichons, pickled onions and wholegrain mustard

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