Definition from Wiktionary, the free dictionary
rösti (plural röstis)
- A traditional breakfast dish in Germanophone Switzerland (originally from Bern canton) made from potatoes, fried in a pan with butter or fat and widely varying other ingredients such as bacon, onions, cheese, apples or fresh herbs.
- The border between German- and French-speaking Switzerland is known as the Röstigraben because only the first traditionally serves Rösti for or with breakfast
traditional dish in Germanophone Switzerland