they are probably what we call "bricelet" in Switzerland (https://www.patrimoineculinaire.ch/Produkt/Bricelets/141 ). They come in sweet and savoury varieties and are made using a device which is very similar to a waffle iron, just making them much thinner than a waffle (cf. https://www.amazon.de/-/en/Trisa-Electric-Waffle-Spots-1000-Wat…
they are probably what we call "bricelet" in Switzerland (https://www.patrimoineculinaire.ch/Produkt/Bricelets/141 ). They come in sweet and savoury varieties and are made using a device which is very similar to a waffle iron, just making them much thinner than a waffle (cf. https://www.amazon.de/-/en/Trisa-Electric-Waffle-Spots-1000-Watt/dp/B00GMDDW6I/ref=sr_1_9?keywords=bretzeleisen&qid=1639231346&sr=8-9)