Where can I find Frozen cakes in Duisburg?

Frozen cakes can also be found in these cities:

Dinslaken Düsseldorf Gladbeck Krefeld Meerbusch Mülheim an der Ruhr Oberhausen

You can also find this in Duisburg:

Roll Pumpernickel Breakfast Cereals Menus With Meat Filter Coffee Sesame Roll Mayonnaise And More Rice Mega Burger Bun Canned Soups