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:

Edible Curd Grated Lemon Peel Flaxseed Bread Fruit Bar Pickled Vegetables Fresh Salt Schupfnudeln Whole Grain Rolls Mayonnaise