Where can I find Cornstarch in Trachslau?

Cornstarch can also be found in these cities:

Baar Einsiedeln Goldau Horgen Ibach SZ Ingenbohl Lachen Männedorf Richterswil Rüti Steinhausen Stäfa Unterägeri Uznach Wald Wädenswil Zug

You can also find this in Trachslau:

Semolina Porridge Cake Vanilla Sugar Jelly Ice Cream Desserts Meat Products Lemonades Instant Coffee Pumpkin Seed Roll Canned Meat