Where can I find Potato specialties in Langenargen?

Potato specialties can also be found in these cities:

Amriswil Arbon Au Bregenz Dornbirn Friedrichshafen Fußach Gemeinde Hörbranz Goldach Hard Heiden Hohenweiler Immenstaad am Bodensee Kennelbach Lauterach Lindau (Bodensee) Lochau Lustenau Markdorf Meckenbeuren Meersburg Oberteuringen Ravensburg Rheineck Romanshorn Rorschach Sankt Margrethen Schwarzach St. Gallen Tettnang Thal Wittenbach Wolfurt

You can also find this in Langenargen:

Edible Curd Grated Lemon Peel Flaxseed Bread Fruit Bar Pickled Vegetables Fresh Salt Schupfnudeln Whole Grain Rolls Mayonnaise