Where can I find Potato specialties in Bettlach?

Potato specialties can also be found in these cities:

Biberist Biel Bienne Brugg Burgdorf Delémont Derendingen Gerlafingen Grenchen Ipsach Kirchberg Langendorf Lyss Moutier Nidau Solothurn Tavannes Utzenstorf Zuchwil

You can also find this in Bettlach:

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