Where can I find Poppy seed roll in Laupersdorf?

Poppy seed roll can also be found in these cities:

Aesch Arlesheim Balsthal Biberist Breitenbach Bubendorf Derendingen Dornach Egerkingen Ettingen Gelterkinden Gerlafingen Grenchen Herzogenbuchsee Kanton Reinach Langendorf Langenthal Laufen Liestal Murgenthal Oensingen Olten Rothrist Sissach Solothurn Zuchwil

You can also find this in Laupersdorf:

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