Where can I find Cornstarch in Reconvilier?

Cornstarch can also be found in these cities:

Biel Bienne Brugg Delémont Grenchen Ipsach Le Landeron Lyss Moutier Neuenstadt Nidau Saint-Imier Tavannes Tramelan

You can also find this in Reconvilier:

Everything From Milk Baking Mixtures Cream Stiffener Spreads Savory Food For Diabetics Menus With Meat Fruit Spritzers Filter Coffee Baguette Roll Salt Sticks