Where can I find Three-grain bread in Hintermoos?

Three-grain bread can also be found in these cities:

Aarau Buchs Egerkingen Egolzwil Erlinsbach Fahrwangen Gränichen Hitzkirch Huttwil Langenthal Lenzburg Lostorf Lupfig Mellingen Menziken Murgenthal Möriken-Wildegg Oberkirch Oftringen Olten Rain Reiden Reinach Rothrist Schöftland Schönenwerd Sempach Seon Suhr Sursee Unterentfelden Zell Zofingen

You can also find this in Hintermoos:

Pudding Decorative Sugar Cereals Delicatessen Sausage Spice Pastes Mashed Potatoes Raisin Roll Canned Sausage