Where can I find Potato specialties in Wynau?

Potato specialties can also be found in these cities:

Aarau Balsthal Biberist Breitenbach Derendingen Egerkingen Egolzwil Erlinsbach Gerlafingen Herzogenbuchsee Huttwil Kirchberg Langenthal Lostorf Murgenthal Oensingen Oftringen Olten Reiden Rothrist Schöftland Schönenwerd Solothurn Unterentfelden Utzenstorf Zell Zofingen Zuchwil

You can also find this in Wynau:

Poultry Still Water Coffee Pods Poppy Seed Roll Canned Fruit Olive Oil Champagne Aperitif Dry Soups Wild