The noodles are shaped by scraping tiny 'buttons' of dough straight off a board into boiling water — the word 'Knöpfle' literally means 'little buttons.'
A soft egg-flour dough is scraped into small knobs, boiled, then layered with local mountain cheese and topped with crisp fried onions. Vorarlberg's Alpine hut stands and market stalls serve it in a bowl, often with a side of stewed apple to cut the richness.