Where can I find Cake glaze in Oberstaufen?

Cake glaze can also be found in these cities:

Alberschwende Andelsbuch Doren Dornbirn Egg Heimenkirch Hittisau Hohenweiler Isny im Allgäu Kennelbach Krumbach Langen bei Bregenz Lindenberg im Allgäu Oberstdorf Ofterschwang Schwarzach Schwarzenberg Wangen im Allgäu

You can also find this in Oberstaufen:

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