Where can I find Cake glaze in Werthenstein?

Cake glaze can also be found in these cities:

Buchrain Ebikon Egolzwil Emmen Hitzkirch Horw Huttwil Kriens Lucerne Malters Oberkirch Rain Ruswil Sarnen Sempach Stans Sursee Urswil Wolhusen Zell

You can also find this in Werthenstein:

Bakery Products Red Wine Nougat Cream Desserts Dessert Baking Mixes Peanut Butter Ice Cream Rice Dishes Vegetable Juices