Where can I find Sweet potatoes in Schoppernau?

Sweet potatoes can also be found in these cities:

Alberschwende Andelsbuch Au Bizau Bludenz Damüls Doren Dornbirn Egg Hittisau Innerbraz Kennelbach Krumbach Lech Mellau Nüziders Oberstdorf Riezlern Schnepfau Schröcken Schwarzach Schwarzenberg Thüringen Warth Wolfurt

You can also find this in Schoppernau:

Buttered Toast Sausages Milk Beer Jam Balsamic Vinegar Pork Potato Products Sesame Roll