Where can I find Tri-grain toast in Grabs?

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

Altach Appenzell Buchs Feldkirch Göfis Götzis Hohenems Koblach Laterns Mels Mäder Oberriet Schnifis Sulz Walenstadt Weiler Übersaxen

You can also find this in Grabs:

Fish Croissants Flour Wheat Breads Diet Products Ready Meals Energy Drinks Espresso Beans Food Flips