Where can I find Hamburger buns in Oberönz?

Hamburger buns can also be found in these cities:

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

You can also find this in Oberönz:

Everything From Milk Baking Mixtures Cream Stiffener Spreads Savory Food For Diabetics Menus With Meat Fruit Spritzers Filter Coffee Baguette Roll Salt Sticks