Where can I find Tri-grain toast in Gunzgen?

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

Aarau Aesch Balsthal Bubendorf Buchs Derendingen Dornach Egerkingen Egolzwil Erlinsbach Gelterkinden Gränichen Herzogenbuchsee Langenthal Liestal Lostorf Murgenthal Oensingen Oftringen Olten Reiden Rothrist Schöftland Schönenwerd Sissach Suhr Sursee Unterentfelden Zell Zofingen

You can also find this in Gunzgen:

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