Rösti or rööschti (Alemannic German: [ˈrøːʃti]) is a Swiss dish consisting mainly of potatoes, sautéed or shallow-fried in a pan.

[1] Rather than considering it a complete breakfast, lunch or dinner, it is more commonly served to accompany other dishes such as Spinat und Spiegelei (spinach and fried eggs, sunny side up), cervelas or Fleischkäse.

[citation needed] Although basic rösti consists of nothing but potato, a number of additional ingredients are sometimes added, such as bacon, onion, cheese, apple or fresh herbs.

In Swiss popular cultural ethos, rösti are predominantly eaten in German-speaking regions, although they can be found easily elsewhere in the country.

The geographic border separating the French and German-speaking parts of the country is therefore commonly referred to as the Röstigraben: literally the 'rösti ditch'.