Where can I find Three-grain bread in Lengnau?

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

Bad Zurzach Baden Berikon Beringen Bremgarten Brugg Buchs Bülach Dielsdorf Dietikon Döttingen Eglisau Embrach Fislisbach Gebenstorf Gränichen Görwihl Klettgau Kloten Lenzburg Lupfig Mellingen Möriken-Wildegg Neuenhof Neunkirch Nussbaumen Opfikon Regensdorf Schlieren Seon Spreitenbach Suhr Uitikon Waldshut-Tiengen Wettingen Windisch Wohlen Zurich

You can also find this in Lengnau:

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