Where can I find Tri-grain toast in Buchrain?

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

Affoltern am Albis Baar Buochs Cham Ebikon Emmen Goldau Hitzkirch Horgen Horw Kriens Küssnacht Lucerne Malters Menziken Muri Oberkirch Rain Reinach Rotkreuz ZG Ruswil Sempach Stans Steinhausen Sursee Unterägeri Urswil Zug

You can also find this in Buchrain:

Milk Baking Ingredients Beer Jam Vinegar Beef Spices Cocoa Normal Rolls Acid Preserves