Where can I find Rusk in Kefermarkt?

Rusk can also be found in these cities:

Alkoven Altenberg bei Linz Bad Zell Engerwitzdorf Freistadt Gutau Hellmonsödt Liebenau Linz Lugendorf Mittertreffling Pregarten Ried in der Riedmark Sandl Sankt Georgen an der Gusen Sattledt Schenkenfelden Schönau im Mühlkreis Steyregg Unterweißenbach

You can also find this in Kefermarkt:

Baking Soda Food For Diabetics Menus With Meat Filter Coffee Canned Fish Fat Sauce Powder Spirits Aroma Pack Soups