Where can I find Mega burger bun in Sankt Gangloff?

Mega burger bun can also be found in these cities:

Bad Köstritz Camburg Eisenberg Gera Hermsdorf Jena Kahla Mertendorf bei Eisenberg Orlamünde Pölzig Rosendorf Saaleplatte Triptis Weida Weira Zeitz

You can also find this in Sankt Gangloff:

Semolina Porridge Cake Vanilla Sugar Jelly Ice Cream Desserts Meat Products Lemonades Instant Coffee Pumpkin Seed Roll Canned Meat