Where can I find Tri-grain toast in Lostorf?

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

Aarau Bad Säckingen Balsthal Bubendorf Buchs Egerkingen Erlinsbach Frick Füllinsdorf Gelterkinden Gränichen Langenthal Lenzburg Liestal Menziken Murgenthal Möhlin Möriken-Wildegg Oensingen Oftringen Olten Pratteln Reiden Reinach Rheinfelden Rheinfelden (Baden) Rothrist Schöftland Schönenwerd Seon Sissach Stein Suhr Unterentfelden Zofingen

You can also find this in Lostorf:

Baked Goods Yeast Fresh Pumpernickel Breakfast Cereals Olives Drinks Dry Herbs Spaetzle Snacks Horseradish