Where can I find Mashed potatoes in Straßenhaus?

Mashed potatoes can also be found in these cities:

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

You can also find this in Straßenhaus:

Cheese Particle Lemon Aroma Jam Ice Cream To Portion Poultry Still Water Coffee Pods Poppy Seed Roll Canned Fruit