Swiss Rösti
Potatoes boiled in their skins the day before, coarsely grated and fried slowly in clarified butter into one thick golden cake, flipped with a plate the Swiss way.
Rösti began as a breakfast dish, eaten by farmers in the canton of Bern and in parts of Fribourg, and is now eaten all over Switzerland, where many people regard it as a national dish (Wikipedia:). It is so tied to German-speaking Swiss culture that the language border between French- and German-speaking Switzerland is nicknamed the Röstigraben, the "rösti ditch" (Wikipedia). Swissmilk, the Swiss dairy farmers' recipe site, calls rösti part of the DNA of Swiss cooking and starts it the classic way: "Gschwellti vom Vortag", potatoes boiled in their skins the day before. Rösti is usually a side dish, served with fried eggs, sausages, or Zürcher Geschnetzeltes, sliced veal in cream sauce (Wikipedia).
🗳️ Swiss rösti or diner hash browns? Vote: Rösti vs Hash browns →
Why it works the kitchen science
Day-old boiled potatoes
Cooked and chilled potatoes grate into firm shreds that don't fall apart, and with no raw starch to cook through, the cake can fry slowly until the crust is deep brown (Swissmilk recommends day-old potatoes).
Clarified butter
With the milk solids removed it can fry for 25 minutes without burning, but it still tastes of butter (Swissmilk uses Bratbutter for this).
Step by step
- Step 1
The day before: cover the potatoes with cold water in a pot, bring to a boil and simmer 15 to 20 minutes, until a knife slides in with a little resistance. Drain, cool, then refrigerate uncovered or loosely covered overnight.
- Step 2
Peel the cold potatoes if you like, grate them on the large holes of a box grater into a bowl and toss with the salt and a few grinds of pepper.
- Step 3
Heat the clarified butter in a 10-inch nonstick skillet over medium-low heat until it shimmers, about 2 minutes. Add the potatoes and cook about 5 minutes, turning them several times.
- Step 4
Press the potatoes into a compact, even cake with a spatula. Cook 10 minutes without stirring, until the bottom is golden; shake the pan now and then to check it moves freely.
- Step 5
Lay a large flat plate or lid over the pan, hold it firmly and turn the pan over so the rösti lands on the plate. Slide it back into the pan, browned side up.
- Step 6
Cook over low heat 12 to 15 minutes without moving it, until the second side has a deep brown crust.
- Step 7
Dot with the butter pieces, slide onto a warm plate and cut into wedges.
Swiss Rösti
Serves 4 · one 10-inch cake · 40 min total
The day before
- 2 1/4 lb (1 kg) all-purpose or waxy potatoes, such as Yukon Gold, unpeeled
Rösti
- 1 tsp salt
- Black pepper
- 3 tbsp clarified butter or ghee
- 1 tbsp butter, cut into small pieces, to finish
Method
- The day before: cover the potatoes with cold water in a pot, bring to a boil and simmer 15 to 20 minutes, until a knife slides in with a little resistance. Drain, cool, then refrigerate uncovered or loosely covered overnight.
- Peel the cold potatoes if you like, grate them on the large holes of a box grater into a bowl and toss with the salt and a few grinds of pepper.
- Heat the clarified butter in a 10-inch nonstick skillet over medium-low heat until it shimmers, about 2 minutes. Add the potatoes and cook about 5 minutes, turning them several times.
- Press the potatoes into a compact, even cake with a spatula. Cook 10 minutes without stirring, until the bottom is golden; shake the pan now and then to check it moves freely.
- Lay a large flat plate or lid over the pan, hold it firmly and turn the pan over so the rösti lands on the plate. Slide it back into the pan, browned side up.
- Cook over low heat 12 to 15 minutes without moving it, until the second side has a deep brown crust.
- Dot with the butter pieces, slide onto a warm plate and cut into wedges.
Adapted from Swissmilk, "Rösti" (recipe SM2024_DIVE_74), as written for 4. Swissmilk gives 1 kg potatoes, 1 tsp salt, 3 tbsp Bratbutter (clarified butter), pepper and butter to finish; the butter amount (1 tbsp) and the 10-inch pan size are ours, and the potato boiling time in Tips is ours. Swissmilk does not name a potato variety. The Bernese-style tip (onion or bacon) follows Switzerland Tourism's rösti page as summarized in search results; the page itself did not load for us. Swissmilk. Ingredient list follows the source; the method is in our own words.
All sources (2)
Tips
- Turn the cake with confidence: one quick flip over a plate is safer than trying to turn it with spatulas.
- For a Bernese-style rösti, soften a chopped onion or crisp some diced bacon in the butter before the potatoes go in.
- Rösti is a side dish in Switzerland: serve it with fried eggs and spinach, or with sausages and onion gravy.
The rules people argue about
What the sources agree on, what they don't, and what is just a good story.
- Rösti must be made from boiled potatoes. Disputed: Swissmilk uses potatoes boiled the day before; Wikipedia says rösti is made from coarsely grated potato, either parboiled or raw, and LECKER (Germany) says you do not have to boil them first. Many claim Bern boils and Zurich grates raw; we could not source that split.
- The Röstigraben. Documented: the nickname for the language border between French- and German-speaking Switzerland (Wikipedia).
- Rösti started as a farmer's breakfast in Bern. Documented as Wikipedia's account; Wikipedia gives no date.
- Rösti is Switzerland's national dish. Folklore: many Swiss regard it as one (Wikipedia), but Switzerland has no official national dish.
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