Where can I find Sesame roll in Grenchen?

Sesame roll can also be found in these cities:

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

You can also find this in Grenchen:

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