Where can I find Mega burger bun in Roppen?

Mega burger bun can also be found in these cities:

Burgstein Gemeinde Imst Landeck Obermieming Obsteig Oetz Pfaffenhofen Prutz Sattledt Schönwies Silz Stams Stanzach Stuttgart Ötztal Bahnhof

You can also find this in Roppen:

Flour Wheat Breads Food For Allergy Sufferers Potato Dishes Espresso Ground Breakfast Croissants Canned Food Fruit Fresh Pesto White Bread Sliced