Where can I find Baking powder in Gettnau?

Baking powder can also be found in these cities:

Egerkingen Egolzwil Herzogenbuchsee Huttwil Langenthal Malters Menziken Murgenthal Oberkirch Oensingen Oftringen Reiden Reinach Rothrist Ruswil Schöftland Sempach Sursee Wolhusen Zell Zofingen

You can also find this in Gettnau:

Nougat Cream Desserts Dessert Baking Mixes Cake Glaze Peanut Butter Ice Cream Rice Dishes Vegetable Juices Instant Iced Coffee Cheese Roll