Where can I find Three-grain bread in Hallau?

Three-grain bread can also be found in these cities:

Bad Zurzach Beringen Blumberg Bonndorf im Schwarzwald Döttingen Eglisau Kleinandelfingen Klettgau Lenzkirch Neunkirch Schaffhausen Stühlingen Thayngen Waldshut-Tiengen

You can also find this in Hallau:

Everything From Milk Baking Mixtures Cream Stiffener Spreads Savory Food For Diabetics Menus With Meat Fruit Spritzers Filter Coffee Baguette Roll Salt Sticks