Where can I find Toast bun in Cortébert?

Toast bun can also be found in these cities:

Biel Bienne Brugg Cernier Delémont Ipsach Le Landeron Lyss Moutier Neuenstadt Nidau Saint-Imier Tavannes Tramelan

You can also find this in Cortébert:

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