Where can I find Sweet potatoes in Inden?

Sweet potatoes can also be found in these cities:

Aachen Alsdorf Baesweiler Bedburg Bergheim Düren Eschweiler Geilenkirchen Kreuzau Langerwehe Niederzier Stolberg Vettweiß Übach-Palenberg

You can also find this in Inden:

Pudding Decorative Sugar Three-Grain Bread Cereals Delicatessen Sausage Spice Pastes Mashed Potatoes Raisin Roll Canned Sausage