Where can I find Pudding powder in Arch?

Pudding powder can also be found in these cities:

Balsthal Biberist Biel Bienne Brugg Burgdorf Derendingen Gerlafingen Grenchen Hasle bei Burgdorf Ipsach Kirchberg Langendorf Lyss Moutier Münchenbuchsee Nidau Solothurn Tavannes Utzenstorf Zollikofen Zuchwil

You can also find this in Arch:

Mustard Bourbon Whiskey Candies Fruit And Vegetables Sausage Packed Rice Pudding Baking Powder Spelt Bread Nut Nougat Cream Balsamic Vinegar