Where can I find Tri-grain toast in Wolhusen?

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

Egolzwil Emmen Horw Huttwil Kriens Lucerne Malters Oberkirch Rain Ruswil Sarnen Sempach Sursee Urswil Zell

You can also find this in Wolhusen:

Cheese Particle Lemon Aroma Jam Ice Cream To Portion Poultry Still Water Coffee Pods Poppy Seed Roll Canned Fruit