Where can I find Mega burger bun in Heroldsberg?

Mega burger bun can also be found in these cities:

Altdorf bei Nürnberg Baiersdorf Eckental Erlangen Feucht Forchheim Fürth Gräfenberg Hausen Hersbruck Herzogenaurach Lauf an der Pegnitz Leinburg Nuremberg Oberasbach Röthenbach an der Pegnitz Röttenbach Rückersdorf Schnaittach Stein Zirndorf

You can also find this in Heroldsberg:

Rice Pudding Baking Powder Spelt Bread Nut Nougat Cream Balsamic Vinegar Pork Spice Blends Potato Products Rye Roll Canned Tomatoes