Where can I find Buttered toast in Schwarzhäusern?

Buttered toast can also be found in these cities:

Balsthal Biberist Breitenbach Derendingen Egerkingen Egolzwil Erlinsbach Gerlafingen Herzogenbuchsee Huttwil Kirchberg Langendorf Langenthal Lostorf Murgenthal Oensingen Oftringen Olten Reiden Rothrist Schönenwerd Solothurn Utzenstorf Zell Zofingen Zuchwil

You can also find this in Schwarzhäusern:

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