Where can I find Baking soda in Egolzwil?

Baking soda can also be found in these cities:

Egerkingen Fahrwangen Gränichen Hitzkirch Huttwil Langenthal Lucerne Malters Menziken Murgenthal Oberkirch Oftringen Olten Rain Reiden Reinach Rothrist Ruswil Schöftland Sempach Seon Sursee Wolhusen Zell Zofingen

You can also find this in Egolzwil:

Milk Baking Ingredients Beer Jam Vinegar Beef Spices Cocoa Normal Rolls Acid Preserves