Where can I find Three-grain bread in Holderbank?

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

Aarau Bad Säckingen Bad Zurzach Baden Berikon Bremgarten Brugg Buchs Dietikon Döttingen Erlinsbach Fahrwangen Fislisbach Frick Gebenstorf Gränichen Lenzburg Lostorf Lupfig Mellingen Muri Möriken-Wildegg Neuenhof Nussbaumen Oftringen Olten Reinach Schöftland Schönenwerd Seon Spreitenbach Stein Suhr Unterentfelden Wettingen Windisch Wohlen Zofingen

You can also find this in Holderbank:

Gin Cookies Buttered Toast Sausages Edible Curd Grated Lemon Peel Flaxseed Bread Fruit Bar Pickled Vegetables Fresh