Where can I find Tri-grain toast in Waldstatt?

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

Abtwil SG Altstätten Appenzell Arbon Bischofszell Bronschhofen Bütschwil Degersheim Ebnat-Kappel Flawil Goldach Gossau Heiden Herisau Kirchberg Rorschach St. Gallen Teufen Uzwil Wattwil Wil Wittenbach Zuzwil

You can also find this in Waldstatt:

Fruit Spritzers Filter Coffee Baguette Roll Salt Sticks Pasta Pasta Sauces Waffles Soups Tea Loose Wine