Where can I find Cornstarch in Grünkraut?

Cornstarch can also be found in these cities:

Altshausen Bad Waldsee Bad Wurzach Baienfurt Friedrichshafen Heimenkirch Hohenweiler Kißlegg Langenargen Lindenberg im Allgäu Markdorf Meckenbeuren Oberteuringen Ravensburg Tettnang Wangen im Allgäu

You can also find this in Grünkraut:

Cheese Particle Lemon Aroma Jam Ice Cream To Portion Poultry Still Water Coffee Pods Poppy Seed Roll Canned Fruit