Where can I find Mega burger bun in Obbürgen?

Mega burger bun can also be found in these cities:

Buchrain Buochs Ebikon Emmen Engelberg Goldau Horw Ingenbohl Kriens Küssnacht Lucerne Malters Rain Rotkreuz ZG Ruswil Sarnen Sempach Stans Unterägeri

You can also find this in Obbürgen:

Desserts Dessert Baking Mixes Cake Glaze Peanut Butter Ice Cream Rice Dishes Vegetable Juices Instant Iced Coffee Cheese Roll Canned Fish