Where can I find Flaxseed bread in Straßenhaus?

Flaxseed bread can also be found in these cities:

Andernach Bad Honnef Bendorf Dierdorf Dortmund Döttesfeld Gieleroth Hundsdorf Hünxe Koblenz Königswinter Linz am Rhein Mülheim-Kärlich Neuwied Nickenich Oberhonnefeld-Gierend Peterslahr Plaidt Remagen Urbach Waldbreitbach Weißenthurm Wirges

You can also find this in Straßenhaus:

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