Where can I find Tri-grain toast in Prêles?

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

Bern Biel Bienne Brugg Cernier Hinterkappelen Ipsach Kerzers Le Landeron Lyss Milvignes Murten Neuchâtel Neuenstadt Nidau Peseux NE Saint-Imier Tavannes Tramelan

You can also find this in Prêles:

Desserts Dessert Baking Mixes Cake Glaze Peanut Butter Ice Cream Rice Dishes Vegetable Juices Instant Iced Coffee Cheese Roll Canned Fish