Where can I find Baking soda in Straßenhaus?

Baking soda 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:

Rice Pudding Baking Powder Spelt Bread Nut Nougat Cream Balsamic Vinegar Pork Spice Blends Potato Products Rye Roll Canned Tomatoes