Where can I find Tri-grain toast in Mauensee?

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

Egolzwil Emmen Fahrwangen Hitzkirch Horw Huttwil Kriens Lucerne Malters Menziken Murgenthal Oberkirch Oftringen Olten Rain Reiden Reinach Rothrist Ruswil Schöftland Sempach Sursee Urswil Wolhusen Zell Zofingen

You can also find this in Mauensee:

Vitamins And Minerals Fix Products Sweet Mares Vodka Infusion Bag Dried Fruit Preserving Ingredients Seafood Mixed Rolls Baking Soda