Where can I find Tri-grain toast in Lauffen am Neckar?

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

Asperg Backnang Bad Friedrichshall Besigheim Bietigheim-Bissingen Freiberg Heilbronn Kirchberg an der Murr Kirchheim am Neckar Leingarten Ludwigsburg Marbach am Neckar Neckarsulm Oberstenfeld Schwaigern Steinheim

You can also find this in Lauffen am Neckar:

Pudding Decorative Sugar Three-Grain Bread Cereals Delicatessen Sausage Spice Pastes Mashed Potatoes Raisin Roll Canned Sausage