Where can I find Mustard in Balsthal?

Mustard can also be found in these cities:

Aesch Biberist Breitenbach Bubendorf Derendingen Egerkingen Gelterkinden Gerlafingen Herzogenbuchsee Kleindietwil Langendorf Langenthal Laufen Lostorf Murgenthal Oensingen Oftringen Olten Rothrist Sissach Solothurn Utzenstorf Zell Zofingen Zuchwil

You can also find this in Balsthal:

Edible Curd Grated Lemon Peel Flaxseed Bread Fruit Bar Pickled Vegetables Fresh Salt Schupfnudeln Whole Grain Rolls Mayonnaise