Where can I find Baking powder in Stachen?

Baking powder can also be found in these cities:

Abtwil SG Altstätten Amriswil Appenzell Arbon Au Bischofszell Constance Degersheim Diepoldsau Flawil Friedrichshafen Goldach Gossau Heiden Herisau Immenstaad am Bodensee Kreuzlingen Langenargen Meckenbeuren Rheineck Romanshorn Rorschach Sankt Margrethen St. Gallen Sulgen Tettnang Teufen Thal Widnau Wittenbach

You can also find this in Stachen:

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