Where can I find Mega burger bun in Wolhusen?

Mega burger bun can also be found in these cities:

Egolzwil Emmen Horw Huttwil Kriens Lucerne Malters Oberkirch Rain Ruswil Sarnen Sempach Sursee Urswil Zell

You can also find this in Wolhusen:

Baked Goods Yeast Fresh Pumpernickel Breakfast Cereals Olives Drinks Dry Herbs Spaetzle Snacks Horseradish