Where can I find Tri-grain toast in Büchslen?

Tri-grain toast can also be found in these cities:

Avenches Belfaux Belmont-Broye Bern Bremgarten bei Bern Brugg Courtepin Düdingen Fribourg Granges-Paccot Hinterkappelen Ipsach Kerzers Köniz Le Landeron Lyss Marly Murten Neuchâtel Neuenstadt Payerne Schwarzenburg Villars-sur-Glâne Wünnewil-Flamatt

You can also find this in Büchslen:

Fish Croissants Flour Wheat Breads Diet Products Ready Meals Energy Drinks Espresso Beans Food Flips