Where can I find Sauce powder in Reconvilier?

Sauce powder 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:

Butter Bread Cornstarch Spread Sweet Food For A Low Cholesterol Diet Pasta Dishes Fruit Juices Instant Cappucino Breakfast Croissants Canned Food