Where can I find Poppy seed roll in Knutwil?

Poppy seed roll can also be found in these cities:

Egolzwil Emmen Fahrwangen Gränichen Hitzkirch Huttwil Kriens Lucerne Malters Menziken Murgenthal Oberkirch Oftringen Olten Rain Reiden Reinach Rothrist Ruswil Schöftland Schönenwerd Sempach Seon Suhr Sursee Unterentfelden Urswil Wohlen Wolhusen Zell Zofingen

You can also find this in Knutwil:

Semolina Porridge Cake Vanilla Sugar Jelly Ice Cream Desserts Meat Products Lemonades Instant Coffee Pumpkin Seed Roll Canned Meat