Where can I find Toast bun in Nassen?

Toast bun can also be found in these cities:

Aadorf Abtwil SG Amriswil Bauma Bischofszell Bronschhofen Bütschwil Degersheim Ebnat-Kappel Flawil Gossau Herisau Kirchberg Matzingen Münchwilen Sirnach St. Gallen Sulgen Teufen Uznach Uzwil Wald Wattwil Wil Wittenbach Zuzwil

You can also find this in Nassen:

Milk Baking Ingredients Beer Jam Vinegar Beef Spices Cocoa Normal Rolls Acid Preserves