Where can I find Baking powder in Lauerz?

Baking powder can also be found in these cities:

Altdorf Baar Buchrain Buochs Cham Ebikon Einsiedeln Goldau Ibach SZ Ingenbohl Küssnacht Lucerne Rotkreuz ZG Stans Steinhausen Unterägeri Zug

You can also find this in Lauerz:

Rice Pudding Spelt Bread Nut Nougat Cream Balsamic Vinegar Pork Spice Blends Potato Products Rye Roll Canned Tomatoes