Where can I find Hamburger buns in Herzogenbuchsee?

Hamburger buns can also be found in these cities:

Balsthal Biberist Burgdorf Derendingen Egerkingen Gerlafingen Huttwil Kirchberg Langendorf Langenthal Murgenthal Münchenbuchsee Oensingen Oftringen Olten Reiden Rothrist Solothurn Utzenstorf Zell Zofingen Zuchwil

You can also find this in Herzogenbuchsee:

Spice Pastes Mashed Potatoes Raisin Roll Canned Sausage Oil Smoothies Brandy Fruit Jelly Frozen Herbs Bacon And Ham