Where can I find Tri-grain toast in Wiesenthau?

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

Baiersdorf Bamberg Eckental Erlangen Forchheim Gräfenberg Hausen Heiligenstadt i.OFr. Herzogenaurach Hirschaid Kirchehrenbach Röttenbach Schnaittach Stegaurach

You can also find this in Wiesenthau:

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