Where can I find Three-grain bread in Wahlen?

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

Aesch Allschwil Arlesheim Balsthal Basel Binningen Birsfelden Breitenbach Bubendorf Delémont Dornach Ettingen Füllinsdorf Grenzach-Wyhlen Kanton Reinach Laufen Liestal Moutier Muttenz Münchenstein Oensingen Pratteln Rheinfelden (Baden)

You can also find this in Wahlen:

Edible Curd Grated Lemon Peel Flaxseed Bread Fruit Bar Pickled Vegetables Fresh Salt Schupfnudeln Whole Grain Rolls Mayonnaise